{
    "action": "tool_call",
    "reasoning": "My earlier draft cited figures I have no executed results for, so I'm discarding them. I'll start by computing deals, startups and disclosed amounts by year from the raw table. Dates are VARCHAR in dd/mm/yyyy and may be messy, so I'm extracting the year from the last four characters after trimming.",
    "tool": "query_sql",
    "args": {
        "source": "raw",
        "purpose": "Deal count, distinct startups, and disclosed funding by year",
        "sql": "SELECT RIGHT(TRIM(\"Date dd/mm/yyyy\"), 4) AS yr, COUNT(*) AS deals, COUNT(DISTINCT \"Startup Name\") AS startups, COUNT(TRY_CAST(REPLACE(\"Amount in USD\", ',', '') AS DOUBLE)) AS disclosed_deals, SUM(TRY_CAST(REPLACE(\"Amount in USD\", ',', '') AS DOUBLE)) AS total_usd, MEDIAN(TRY_CAST(REPLACE(\"Amount in USD\", ',', '') AS DOUBLE)) AS median_usd FROM raw.startup_funding GROUP BY 1 ORDER BY 1"
    }
}