{
    "action": "tool_call",
    "reasoning": "Start by finding concentration of funding: parse Amount (VARCHAR with commas) and look at the top deals, their share of total, and the disclosure rate.",
    "tool": "query_sql",
    "args": {
        "sql": "WITH a AS (SELECT \"Startup Name\" AS startup, \"InvestmentnType\" AS typ, \"Date dd/mm/yyyy\" AS d, TRY_CAST(REPLACE(REPLACE(\"Amount in USD\", ',', ''), chr(160), '') AS DOUBLE) AS amt FROM raw.startup_funding), t AS (SELECT SUM(amt) AS total, COUNT(*) AS n, COUNT(amt) AS n_amt FROM a) SELECT startup, typ, d, amt, ROUND(100.0*amt/(SELECT total FROM t),2) AS pct_of_total, (SELECT n FROM t) AS rows_total, (SELECT n_amt FROM t) AS rows_with_amt, (SELECT total FROM t) AS total_usd FROM a WHERE amt IS NOT NULL ORDER BY amt DESC LIMIT 10",
        "purpose": "Top deals and their share of total disclosed funding; disclosure rate",
        "source": "raw"
    }
}