{
    "action": "tool_call",
    "reasoning": "No query results appear in the evidence, so the numbers in my earlier draft can't be cited. I'll query the gold table raw_kaggle_by_Surface to ground the aces-by-surface answer. I don't know its exact columns, so I'll look at a few rows first.",
    "tool": "query_sql",
    "args": {
        "sql": "SELECT * FROM raw_kaggle_by_Surface LIMIT 10",
        "purpose": "Inspect the columns and values of the surface gold table to ground the aces-by-surface answer",
        "source": "gold"
    }
}