```json { "classifications": [ {"column": "home_team", "label": "none", "confidence": 1.0, "reason": "Team name, 82 distinct values out of 964 rows, repeats frequently"}, {"column": "away_team", "label": "none", "confidence": 1.0, "reason": "Team name, 86 distinct values out of 964 rows, repeats frequently"}, {"column": "home_score", "label": "none", "confidence": 1.0, "reason": "Match score metric, only 11 distinct values, highly repetitive"}, {"column": "home_xg", "label": "none", "confidence": 1.0, "reason": "Expected goals metric, 35 distinct values with 87% nulls"}, {"column": "home_penalty", "label": "none", "confidence": 1.0, "reason": "Penalty count, 6 distinct values with 96% nulls"}, {"column": "away_score", "label": "none", "confidence": 1.0, "reason": "Match score metric, only 7 distinct values, highly repetitive"}, {"column": "away_xg", "label": "none", "confidence": 1.0, "reason": "Expected goals metric, 31 distinct values with 87% nulls"}, {"column": "away_penalty", "label": "none", "confidence": 1.0, "reason": "Penalty count, 6 distinct values with 96% nulls"}, {"column": "home_manager", "label": "none", "confidence": 1.0, "reason": "Manager name, 329 distinct values, repeats across matches"}, {"column": "home_captain", "label": "none", "confidence": 1.0, "reason": "Captain name, 281 distinct values, repeats across matches"}, {"column": "away_manager", "label": "none", "confidence": 1.0, "reason": "Manager name, 371 distinct values, repeats across matches"}, {"column": "away_captain", "label": "none", "confidence": 1.0, "reason": "Captain name, 335 distinct values, repeats across matches"}, {"column": "Attendance", "label": "none", "confidence": 1.0, "reason": "Attendance count, 737 distinct values but not a unique identifier"}, {"column": "Venue", "label": "none", "confidence": 1.0, "reason": "Stadium name, 205 distinct values, repeats across matches"}, {"column": "Officials", "label": "none", "confidence": 1.0, "reason": "Officials list, 697 distinct values but not unique per match"}, {"column": "Round", "label": "none", "confidence": 1.0, "reason": "Tournament round, only 12 distinct values, highly repetitive"}, {"column": "Date", "label": "none", "confidence": 1.0, "reason": "Match date, 378 distinct values, multiple matches per date"}, {"column": "Score", "label": "none", "confidence": 1.0, "reason": "Score string, 71 distinct values, repeats frequently"}, {"column": "Referee", "label": "none", "confidence": 1.0, "reason": "Referee name, 323 distinct values, repeats across matches"}, {"column": "Notes", "label": "none", "confidence": 1.0, "reason": "Match notes, only 24 distinct values, highly repetitive"}, {"column": "Host", "label": "none", "confidence": 1.0, "reason": "Host country, only 17 distinct values, highly repetitive"}, {"column": "Year", "label": "none", "confidence": 1.0, "reason": "Tournament year, only 22 distinct values, highly repetitive"}, {"column": "home_goal", "label": "none", "confidence": 1.0, "reason": "Goal details text, 718 distinct values but not a key"}, {"column": "away_goal", "label": "none", "confidence": 1.0, "reason": "Goal details text, 572 distinct values but not a key"}, {"column": "home_goal_long", "label": "none", "confidence": 1.0, "reason": "Goal details JSON, 719 distinct values but not a key"}, {"column": "away_goal_long", "label": "none", "confidence": 1.0, "reason": "Goal details JSON, 572 distinct values but not a key"}, {"column": "home_own_goal", "label": "none", "confidence": 1.0, "reason": "Own goal details, only 40 distinct values, mostly empty"}, {"column": "away_own_goal", "label": "none", "confidence": 1.0, "reason": "Own goal details, only 18 distinct values, mostly empty"}, {"column": "home_penalty_goal", "label": "none", "confidence": 1.0, "reason": "Penalty goal details, 117 distinct values, mostly empty"}, {"column": "away_penalty_goal", "label": "none", "confidence": 1.0, "reason": "Penalty goal details, 85 distinct values, mostly empty"}, {"column": "home_penalty_miss_long", "label": "none", "confidence": 1.0, "reason": "Penalty miss details, only 7 distinct values, mostly empty"}, {"column": "away_penalty_miss_long", "label": "none", "confidence": 1.0, "reason": "Penalty miss details, only 10 distinct values, mostly empty"}, {"column": "home_penalty_shootout_goal_long", "label": "none", "confidence": 1.0, "reason": "Shootout goal details, 35 distinct values, mostly empty"}, {"column": "away_penalty_shootout_goal_long", "label": "none", "confidence": 1.0, "reason": "Shootout goal details, 35 distinct values, mostly empty"}, {"column": "home_penalty_shootout_miss_long", "label": "none", "confidence": 1.0, "reason": "Shootout miss details, 25 distinct values, mostly empty"}, {"column": "away_penalty_shootout_miss_long", "label": "none", "confidence": 1.0, "reason": "Shootout miss details, 31 distinct values, mostly empty"}, {"column": "home_red_card", "label": "none", "confidence": 1.0, "reason": "Red card details, 52 distinct values, mostly empty"}, {"column": "away_red_card", "label": "none", "confidence": 1.0, "reason": "Red card details, 55 distinct values, mostly empty"}, {"column": "home_yellow_red_card", "label": "none", "confidence": 1.0, "reason": "Yellow-red card details, 24 distinct values, mostly empty"}, {"column": "away_yellow_red_card", "label": "none", "confidence": 1.0, "reason": "Yellow-red card details, 32 distinct values, mostly empty"}, {"column": "home_yellow_card_long", "label": "none", "confidence": 1.0, "reason": "Yellow card details, 621 distinct values but not a key"}, {"column": "away_yellow_card_long", "label": "none", "confidence": 1.0, "reason": "Yellow card details, 626 distinct values but not a key"}, {"column": "home_substitute_in_long", "label": "none", "confidence": 1.0, "reason": "Substitution details, 741 distinct values but not a key"}, {"column": "away_substitute_in_long", "label": "none", "confidence": 1.0, "reason": "Substitution details, 748 distinct values but not a key"} ] } ```