{
    "action": "tool_call",
    "reasoning": "My previous reply stated numbers I had not backed with any query. I'll compute deal count, disclosed-amount count, median and total by year from raw data first. The date is VARCHAR with messy values and the amount is VARCHAR with commas, so I'll parse both defensively.",
    "tool": "query_sql",
    "args": {
        "sql": "SELECT TRY_CAST(regexp_extract(\"Date dd/mm/yyyy\", '(\\d{4})\\s*$', 1) AS INTEGER) AS yr, COUNT(*) AS deals, COUNT(TRY_CAST(REPLACE(\"Amount in USD\", ',', '') AS DOUBLE)) AS deals_with_amount, MEDIAN(TRY_CAST(REPLACE(\"Amount in USD\", ',', '') AS DOUBLE)) AS median_usd, SUM(TRY_CAST(REPLACE(\"Amount in USD\", ',', '') AS DOUBLE)) AS total_usd FROM raw.startup_funding GROUP BY 1 ORDER BY 1",
        "purpose": "Verify yearly deal counts, disclosed-amount coverage, median ticket size and total disclosed funding",
        "source": "raw"
    }
}