{
    "action": "tool_call",
    "reasoning": "My previous reply described sample rows, but no query result for them is in the evidence, so none of those claims are grounded. I'll pull a sample from raw.raw_kaggle with query_sql so any description is backed by a rendered result.",
    "tool": "query_sql",
    "args": {
        "sql": "SELECT * FROM raw.raw_kaggle USING SAMPLE 10 ROWS",
        "purpose": "Draw a 10-row sample of the match-level fact table to ground a description of its contents",
        "source": "raw"
    }
}