{
    "action": "tool_call",
    "reasoning": "The previous query failed because the Days column contains non-numeric values like 'def.' and '–'. I need to examine the actual data patterns in the Days column to understand what values exist and how to handle them. Let me query the distinct values in the Days column to see what we're working with.",
    "tool": "query_sql",
    "args": {
        "sql": "SELECT Days, COUNT(*) as count FROM raw.championsdataset GROUP BY Days ORDER BY count DESC",
        "purpose": "Examine the distinct values in the Days column to understand data quality issues and non-numeric entries",
        "source": "raw"
    }
}