{
    "action": "tool_call",
    "reasoning": "First I need to see the distinct AI_Tool values (the card says ~16, which may include spelling variants) with their productivity stats, before deciding how to merge them.",
    "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, MIN(Productivity_Score) AS min_productivity, MAX(Productivity_Score) AS max_productivity FROM raw.AI_Usage_and_Impact_on_Students_and_Professionals GROUP BY AI_Tool ORDER BY avg_productivity DESC",
        "purpose": "Productivity score by raw AI_Tool value to spot spelling variants",
        "source": "raw"
    }
}