{
    "action": "tool_call",
    "reasoning": "My earlier draft cited numbers without a visible tool result in this turn. I'll re-ground the data-quality findings with one profiling query over raw.startup_funding covering the Amount parsing, placeholders, key uniqueness and date format.",
    "tool": "query_sql",
    "args": {
        "sql": "SELECT COUNT(*) AS total_rows, COUNT(DISTINCT \"Sr No\") AS distinct_ids, COUNT(\"Amount in USD\") AS non_null_amount, COUNT(TRY_CAST(REPLACE(\"Amount in USD\", ',', '') AS DOUBLE)) AS parseable_amount, SUM(CASE WHEN \"Amount in USD\" = 'N/A' THEN 1 ELSE 0 END) AS plain_na, SUM(CASE WHEN \"Amount in USD\" LIKE '%N/A' AND \"Amount in USD\" <> 'N/A' THEN 1 ELSE 0 END) AS prefixed_na, SUM(CASE WHEN LOWER(\"Amount in USD\") IN ('undisclosed','unknown') THEN 1 ELSE 0 END) AS undisclosed_unknown, SUM(CASE WHEN \"Amount in USD\" LIKE '%+' THEN 1 ELSE 0 END) AS trailing_plus, SUM(CASE WHEN \"Amount in USD\" LIKE '%Â%' OR \"Amount in USD\" LIKE '% %' THEN 1 ELSE 0 END) AS nbsp_amounts, COUNT(\"Industry Vertical\") AS industry_non_null, COUNT(\"SubVertical\") AS subvertical_non_null, COUNT(\"City  Location\") AS city_non_null, COUNT(\"Investors Name\") AS investors_non_null, COUNT(\"Remarks\") AS remarks_non_null, SUM(CASE WHEN TRY_STRPTIME(\"Date dd/mm/yyyy\", '%d/%m/%Y') IS NULL THEN 1 ELSE 0 END) AS unparseable_dates FROM raw.startup_funding",
        "purpose": "Profile data-quality issues: amount parsing, placeholders, completeness, date parsing",
        "source": "raw"
    }
}