{
    "action": "tool_call",
    "reasoning": "My earlier draft cited numbers without a visible tool result behind them, so I'm re-grounding the answer. First I'll compute deals per year with SQL, pulling the year out of the messy text date.",
    "tool": "query_sql",
    "args": {
        "sql": "SELECT regexp_extract(\"Date dd/mm/yyyy\", '(\\d{4})', 1) AS deal_year, COUNT(*) AS deals FROM raw.startup_funding GROUP BY 1 ORDER BY 1",
        "purpose": "Deal counts by year, parsed from the text date column",
        "source": "raw"
    }
}