{
    "action": "tool_call",
    "reasoning": "The user wants a representative sample of rows. Query the raw table with a random sample so the rendered block shows it. Exclude ingestion metadata columns for readability.",
    "tool": "query_sql",
    "args": {
        "sql": "SELECT company_name, stock_name, date, open, high, low, close, volume FROM raw.semi_conductor_se USING SAMPLE 15 ROWS (reservoir, 42) ORDER BY date",
        "purpose": "Random sample of 15 rows across the dataset",
        "source": "raw"
    }
}