{
    "action": "tool_call",
    "reasoning": "I have the column count (30) and row count (387,427) from the dataset card and step-0 inspection. Now I need to check if there's a temporal column that would indicate a time period. The card shows no date/time columns in the main table except _ingestion_timestamp (which is metadata, not match data). Let me verify if there are any date columns I might have missed by querying the column metadata.",
    "tool": "query_sql",
    "purpose": "Check for any date/time columns that might indicate when matches occurred",
    "args": {
        "sql": "SELECT column_name, phys_type, semantic_role FROM analytics.column_overview WHERE table_name = 'boxing_matches' AND (phys_type LIKE '%DATE%' OR phys_type LIKE '%TIME%' OR semantic_role LIKE '%temporal%')",
        "source": "raw"
    }
}