{
    "action": "tool_call",
    "reasoning": "I've already identified several data quality issues from the evidence: Amount format issues (7), Valuation n/a values (119), Lead investors n/a (26), Industry spelling variants (1), and Duplicate companies (10). Now I need to investigate the specific nature of these issues more deeply. Let me examine the Amount format issues first to see what makes them problematic, and also check for any outliers or impossible values in the numeric fields.",
    "tool": "query_sql",
    "args": {
        "sql": "SELECT Company, Amount, Valuation, Industry FROM raw.\"Largest US Venture Funding Deals Of 2023\" WHERE LENGTH(Amount) < 13 OR Amount NOT LIKE '$%' OR Amount LIKE '%,%,%' ORDER BY Amount",
        "purpose": "Identify specific Amount format issues - values that are too short, missing dollar signs, or have unusual formatting",
        "source": "raw"
    }
}