{
    "action": "final",
    "content": "## Most Common Values in Key Categorical Columns\n\nBased on the analysis of the matches_1930_2022 table, here are the most frequent values across the main categorical dimensions:\n\n### Host Countries\nThe most common World Cup hosts in the historical match data:\n- **Germany**: 102 matches\n- **Brazil**: 86 matches  \n- **Mexico**: 84 matches\n- **France**: 82 matches\n- **Italy**: 69 matches\n\nThe 2002, 2018, 2022, and 2010 tournaments (Korea/Japan, Russia, Qatar, South Africa) each had 64 matches, reflecting the modern expanded format.\n\n### Referees\nReferee assignments show:\n- **255 matches** have missing/blank referee data\n- **Néstor Pitana** (Argentina) officiated the most matches with complete data: 9 matches\n- **Joel Quiniou** (France): 8 matches\n- Several referees tied at 7 matches: Björn Kuipers, Benjamin Griffiths, Jean Langenus, Juan Gardeazabal\n\n### Tournament Rounds\nMatch distribution by stage:\n- **Group stage**: 587 matches (the vast majority)\n- **Round of 16**: 97 matches\n- **Quarter-finals**: 70 matches\n- **First round**: 48 matches (older tournament format)\n- **Semi-finals**: 38 matches\n- **Final**: 21 matches (one per tournament)\n\n### Venues\nMost-used stadiums:\n- **Estadio Azteca, Mexico City**: 19 matches (hosted two World Cups: 1970, 1986)\n- **Jalisco, Guadalajara**: 14 matches\n- **Nou Camp - Estadio León, Leon**: 11 matches\n- Multiple venues tied at 10 matches: Lusail Iconic Stadium, Nacional Santiago, Estadio Centenario Montevideo\n\n### Away Teams\nTeams appearing most frequently as the away side:\n- **Mexico**: 42 matches\n- **France**: 35 matches\n- **England**: 34 matches\n- **Spain**: 33 matches\n- **Argentina & Brazil**: 29 matches each\n\nThese frequencies reflect both the number of tournaments each country participated in and the arbitrary home/away designation in the dataset (which doesn't always reflect actual hosting).",
    "charts": [
        {
            "kind": "hbar",
            "x": "column_name",
            "series": [
                "frequency"
            ],
            "title": "Top 10 Most Common Values Across Key Categories"
        }
    ]
}