{
    "action": "tool_call",
    "reasoning": "I need to understand the actual data values to propose meaningful analytical questions. The previous attempt to parse amounts failed because the data contains values like '10,000,000,000' with commas. Let me examine sample rows to see the actual format of amounts, valuations, industries, and other key fields.",
    "tool": "query_sql",
    "purpose": "Sample actual data to understand formats and values",
    "args": {
        "sql": "SELECT Company, Amount, Valuation, Industry, \"Date reported\", \"Lead investors\" FROM raw.\"Largest US Venture Funding Deals Of 2023\" LIMIT 10",
        "source": "raw"
    },
    "source": "raw"
}