{
    "action": "tool_call",
    "reasoning": "Amount is VARCHAR; I need to see its formats and most common values across the five monthly tables before parsing it into a numeric measure.",
    "tool": "query_sql",
    "args": {
        "sql": "WITH u AS (SELECT \"Company Name\" c, CAST(Founded AS VARCHAR) f, Location l, Sector s, Amount a, Stage st, Investor i FROM raw.\"Indian Startups _ Funding  Investors Data January 2022\" UNION ALL SELECT \"Company Name\", CAST(Founded AS VARCHAR), Location, Sector, Amount, Stage, Investor FROM raw.\"Indian Startups _ Funding  Investors Data February 2022\" UNION ALL SELECT \"Company Name\", CAST(Founded AS VARCHAR), Location, Sector, Amount, Stage, Investor FROM raw.\"Indian Startups _ Funding  Investors Data March 2022\" UNION ALL SELECT \"Company Name\", CAST(Founded AS VARCHAR), Location, Sector, Amount, Stage, Investor FROM raw.\"Indian Startups _ Funding  Investors Data April 2022\" UNION ALL SELECT \"Company Name\", CAST(Founded AS VARCHAR), Location, Sector, Amount, Stage, Investor FROM raw.\"Indian Startups _ Funding  Investors Data May 2022\") SELECT a, COUNT(*) n FROM u GROUP BY a ORDER BY n DESC LIMIT 25",
        "purpose": "Inspect Amount value formats across all tables",
        "source": "raw"
    }
}