{
    "action": "tool_call",
    "reasoning": "The previous draft cited numbers (column counts, date ranges) that are not in my evidence, so I can't stand behind them. I'll check the column counts from the catalog first, then the date ranges.",
    "tool": "query_sql",
    "args": {
        "sql": "SELECT table_name, row_count, column_count FROM analytics.table_overview ORDER BY row_count DESC",
        "purpose": "Verify row and column counts per table from the catalog",
        "source": "raw"
    }
}