{
    "action": "tool_call",
    "reasoning": "The card says AI_Tool has about 16 distinct values, which suggests spelling variants. I'll group by the raw values first instead of guessing a cleaning mapping, and compute productivity and satisfaction for each.",
    "tool": "query_sql",
    "args": {
        "sql": "SELECT AI_Tool, COUNT(*) AS users, ROUND(AVG(Productivity_Score),2) AS avg_productivity, ROUND(MEDIAN(Productivity_Score),2) AS median_productivity, ROUND(AVG(Satisfaction_Score),2) AS avg_satisfaction FROM raw.AI_Usage_and_Impact_on_Students_and_Professionals GROUP BY AI_Tool ORDER BY avg_productivity DESC",
        "purpose": "Productivity and satisfaction by raw AI_Tool values to see spelling variants",
        "source": "raw"
    }
}