{
    "action": "tool_call",
    "reasoning": "My earlier draft cited numbers that are not in the evidence I can see, so I can't stand behind them. I'll re-ground the first claim, the yearly trend in deal count and ticket size, with a fresh query. Amount in USD is VARCHAR with commas and Date is VARCHAR, so I'll clean both safely with TRY_CAST and TRY_STRPTIME.",
    "tool": "query_sql",
    "args": {
        "sql": "WITH d AS (SELECT TRY_STRPTIME(REPLACE(REPLACE(TRIM(\"Date dd/mm/yyyy\"), CHR(160), ''), '.', '/'), '%d/%m/%Y') AS dt, TRY_CAST(REPLACE(REPLACE(TRIM(\"Amount in USD\"), ',', ''), CHR(160), '') AS DOUBLE) AS amt FROM raw.startup_funding) SELECT EXTRACT(year FROM dt) AS yr, COUNT(*) AS deals, COUNT(amt) AS deals_with_amount, MEDIAN(amt) AS median_amount_usd, SUM(amt) AS total_amount_usd FROM d WHERE dt IS NOT NULL GROUP BY 1 ORDER BY 1",
        "purpose": "Yearly deal count, disclosed-amount coverage, median and total ticket size",
        "source": "raw"
    }
}