{
    "action": "tool_call",
    "reasoning": "Gold table raw_kaggle_by_Surface likely holds surface-level aggregates; columns are not listed on the card, so I'll look at the table directly with a small LIMIT.",
    "tool": "query_sql",
    "args": {
        "sql": "SELECT * FROM raw_kaggle_by_Surface LIMIT 10",
        "purpose": "See surface-level aggregates to ground the analysis",
        "source": "gold"
    }
}