{
    "action": "tool_call",
    "reasoning": "I have the column count (30) and row count (387,427) from the dataset card and step-0 inspection. However, I need to check if there's a temporal column that would indicate a time period. The card shows no obvious date columns in the main table (only _ingestion_timestamp which is metadata). Let me query to see if there are any date/time columns or if matches have any temporal information I missed.",
    "tool": "query_sql",
    "source": "raw",
    "args": {
        "sql": "SELECT COUNT(*) as total_rows, COUNT(DISTINCT _ingestion_timestamp) as distinct_timestamps, MIN(_ingestion_timestamp) as earliest_timestamp, MAX(_ingestion_timestamp) as latest_timestamp FROM raw.boxing_matches",
        "purpose": "Verify row count and check if there's any temporal range in the dataset"
    }
}