{
    "action": "tool_call",
    "reasoning": "My earlier draft cited numbers I have not verified in this turn, so I will compute them first. The Amount column is VARCHAR with possible commas, so I need to clean and cast it, then profile coverage, total, median and the top deals in one query.",
    "tool": "query_sql",
    "args": {
        "sql": "WITH c AS (SELECT \"Sr No\" AS sr, \"Date dd/mm/yyyy\" AS d, \"Startup Name\" AS startup, \"InvestmentnType\" AS inv_type, TRY_CAST(REPLACE(REPLACE(\"Amount in USD\", ',', ''), ' ', '') AS DOUBLE) AS amt FROM raw.startup_funding) SELECT COUNT(*) AS total_rows, COUNT(amt) AS rows_with_amount, SUM(amt) AS total_usd, MEDIAN(amt) AS median_usd, MAX(amt) AS max_usd, SUM(CASE WHEN amt >= 100000000 THEN 1 ELSE 0 END) AS deals_100m_plus, SUM(CASE WHEN amt >= 100000000 THEN amt ELSE 0 END) / SUM(amt) AS share_from_100m_plus, MAX(amt) / SUM(amt) AS top_deal_share FROM c",
        "purpose": "Profile amount coverage, total, median, concentration and the largest deal's share",
        "source": "raw"
    }
}