{
    "action": "tool_call",
    "reasoning": "No evidence is available yet, so the earlier description of a sample was not backed by a tool result. I'll pull a real sample of rows from the raw table to ground the answer about what a typical record looks like and where the data is messy.",
    "tool": "query_sql",
    "args": {
        "sql": "SELECT User_ID, Age, Gender, Country, User_Type, Education_Level, Profession, Monthly_Income, AI_Tool, AI_Purpose, AI_Usage_Hours_Per_Day, Monthly_AI_Cost, Productivity_Score, Accuracy_Rating, Satisfaction_Score, Time_Saved_Hours_Per_Week, Work_or_Study_Hours_Per_Day, Would_Recommend FROM raw.AI_Usage_and_Impact_on_Students_and_Professionals LIMIT 15",
        "purpose": "Look at a sample of rows to see typical record structure and formatting inconsistencies",
        "source": "raw"
    }
}