{
    "action": "tool_call",
    "reasoning": "My earlier draft cited results that are not in the evidence, so I'll compute the date span directly. Dates are text and some use a non-breaking hyphen, so I normalise them and parse with try_strptime for all three match tables.",
    "tool": "query_sql",
    "args": {
        "sql": "WITH d AS (SELECT 'raw_kaggle' AS tbl, try_strptime(replace(CAST(\"Date\" AS VARCHAR), '‑', '-'), '%d-%b-%Y') AS dt FROM raw.raw_kaggle UNION ALL SELECT 'return_kaggle', try_strptime(replace(CAST(\"Date\" AS VARCHAR), '‑', '-'), '%d-%b-%Y') FROM raw.return_kaggle UNION ALL SELECT 'serve_kaggle', try_strptime(replace(CAST(\"Date\" AS VARCHAR), '‑', '-'), '%d-%b-%Y') FROM raw.serve_kaggle) SELECT tbl, COUNT(*) AS total_rows, COUNT(dt) AS parsed_rows, MIN(dt) AS min_date, MAX(dt) AS max_date FROM d GROUP BY tbl ORDER BY tbl",
        "purpose": "Verify row counts and true chronological date range of the three match tables",
        "source": "raw"
    }
}