```json { "action": "tool_call", "reasoning": "I've already found several data quality issues from the evidence: 837 null scores (13.5% of games), 4 extreme scores (≥59 points), and 594 empty GameDate values. Now I need to check for inconsistent date formats in the non-empty GameDate values, since the column is VARCHAR and could have mixed formats. I'll also check for impossible team codes and verify the Week field for consistency.", "tool": "query_sql", "args": { "sql": "SELECT GameDate, COUNT(*) as count FROM raw.\"2010_2026_scores\" WHERE GameDate IS NOT NULL AND GameDate != '' AND GameDate != 'TBD' GROUP BY GameDate ORDER BY count DESC LIMIT 20", "purpose": "Check for inconsistent date formats in GameDate field", "source": "raw" } } ```