{
    "action": "tool_call",
    "reasoning": "Profile the text-typed numeric columns: find values that fail numeric cast or are out of plausible range.",
    "tool": "query_sql",
    "args": {
        "sql": "SELECT 'Age' AS col, Age AS v, COUNT(*) AS n FROM raw.AI_Usage_and_Impact_on_Students_and_Professionals WHERE TRY_CAST(Age AS DOUBLE) IS NULL OR TRY_CAST(Age AS DOUBLE) NOT BETWEEN 10 AND 80 GROUP BY 2 UNION ALL SELECT 'Income', Monthly_Income, COUNT(*) FROM raw.AI_Usage_and_Impact_on_Students_and_Professionals WHERE TRY_CAST(Monthly_Income AS DOUBLE) IS NULL OR TRY_CAST(Monthly_Income AS DOUBLE) <= 0 GROUP BY 2 UNION ALL SELECT 'UsageHrs', AI_Usage_Hours_Per_Day, COUNT(*) FROM raw.AI_Usage_and_Impact_on_Students_and_Professionals WHERE TRY_CAST(AI_Usage_Hours_Per_Day AS DOUBLE) IS NULL GROUP BY 2 UNION ALL SELECT 'Cost', Monthly_AI_Cost, COUNT(*) FROM raw.AI_Usage_and_Impact_on_Students_and_Professionals WHERE TRY_CAST(Monthly_AI_Cost AS DOUBLE) IS NULL GROUP BY 2 UNION ALL SELECT 'TimeSaved', Time_Saved_Hours_Per_Week, COUNT(*) FROM raw.AI_Usage_and_Impact_on_Students_and_Professionals WHERE TRY_CAST(Time_Saved_Hours_Per_Week AS DOUBLE) IS NULL GROUP BY 2 UNION ALL SELECT 'WorkHrs', Work_or_Study_Hours_Per_Day, COUNT(*) FROM raw.AI_Usage_and_Impact_on_Students_and_Professionals WHERE TRY_CAST(Work_or_Study_Hours_Per_Day AS DOUBLE) IS NULL GROUP BY 2 ORDER BY 1, 3 DESC",
        "purpose": "Find non-numeric or impossible values in text-typed numeric columns",
        "source": "raw"
    }
}