<invoke name="query_sql"> <parameter name="sql">SELECT CASE WHEN TRY_CAST(Monthly_AI_Cost AS DOUBLE) = 0 THEN 'Free (cost = 0)' WHEN TRY_CAST(Monthly_AI_Cost AS DOUBLE) > 0 THEN 'Paid (cost > 0)' ELSE 'Unknown' END AS cost_group, COUNT(*) AS users, ROUND(AVG(Productivity_Score),2) AS avg_productivity, ROUND(AVG(Satisfaction_Score),2) AS avg_satisfaction, ROUND(AVG(Accuracy_Rating),2) AS avg_accuracy, ROUND(AVG(TRY_CAST(Time_Saved_Hours_Per_Week AS DOUBLE)),2) AS avg_time_saved_hrs_week, ROUND(AVG(TRY_CAST(AI_Usage_Hours_Per_Day AS DOUBLE)),2) AS avg_usage_hrs_day FROM raw.AI_Usage_and_Impact_on_Students_and_Professionals GROUP BY 1 ORDER BY 1</parameter> <parameter name="purpose">Compare outcomes of free vs paid AI users to show spending is unrelated to results</parameter> </invoke> </invoke> </parameter> </invoke> {"action": "tool_call", "reasoning": "Compare free vs paid users", "tool": "query_sql", "args": {"sql": "SELECT CASE WHEN TRY_CAST(Monthly_AI_Cost AS DOUBLE) = 0 THEN 'Free (cost = 0)' WHEN TRY_CAST(Monthly_AI_Cost AS DOUBLE) > 0 THEN 'Paid (cost > 0)' ELSE 'Unknown' END AS cost_group, COUNT(*) AS users, ROUND(AVG(Productivity_Score),2) AS avg_productivity, ROUND(AVG(Satisfaction_Score),2) AS avg_satisfaction, ROUND(AVG(Accuracy_Rating),2) AS avg_accuracy, ROUND(AVG(TRY_CAST(Time_Saved_Hours_Per_Week AS DOUBLE)),2) AS avg_time_saved_hrs_week, ROUND(AVG(TRY_CAST(AI_Usage_Hours_Per_Day AS DOUBLE)),2) AS avg_usage_hrs_day FROM raw.AI_Usage_and_Impact_on_Students_and_Professionals GROUP BY 1 ORDER BY 1", "purpose": "Compare outcomes of free vs paid AI users"}}