{
    "action": "tool_call",
    "reasoning": "No evidence is visible in this turn, so I will re-ground the segmentation answer with a query. I'm starting with round type, the main candidate dimension, using the normalised label.",
    "tool": "query_sql",
    "args": {
        "sql": "SELECT TRIM(REPLACE(REPLACE(\"InvestmentnType\", CHR(10), ' '), CHR(13), ' ')) AS round_type, COUNT(*) AS deals FROM raw.startup_funding GROUP BY 1 ORDER BY deals DESC LIMIT 25",
        "purpose": "Distribution of funding round types after whitespace normalisation",
        "source": "raw"
    }
}