{
    "action": "tool_call",
    "reasoning": "Compute pairwise Pearson correlations among the four measures in one query over raw.Iris.",
    "tool": "query_sql",
    "args": {
        "sql": "SELECT 'SepalLength-SepalWidth' AS pair, corr(SepalLengthCm, SepalWidthCm) AS r FROM raw.Iris UNION ALL SELECT 'SepalLength-PetalLength', corr(SepalLengthCm, PetalLengthCm) FROM raw.Iris UNION ALL SELECT 'SepalLength-PetalWidth', corr(SepalLengthCm, PetalWidthCm) FROM raw.Iris UNION ALL SELECT 'SepalWidth-PetalLength', corr(SepalWidthCm, PetalLengthCm) FROM raw.Iris UNION ALL SELECT 'SepalWidth-PetalWidth', corr(SepalWidthCm, PetalWidthCm) FROM raw.Iris UNION ALL SELECT 'PetalLength-PetalWidth', corr(PetalLengthCm, PetalWidthCm) FROM raw.Iris ORDER BY r DESC",
        "purpose": "Pairwise Pearson correlations among the four numeric measures",
        "source": "raw"
    }
}