{
    "action": "tool_call",
    "reasoning": "I now have the correct column names for quality_issues. The table has 'kind', 'severity', and 'message' columns that describe the issues. I'll query to see the breakdown of quality issues by kind and severity, and get sample messages to understand what types of problems exist.",
    "tool": "query_sql",
    "args": {
        "sql": "SELECT kind, severity, COUNT(*) as issue_count, COUNT(DISTINCT dataset_id) as datasets_affected FROM raw.quality_issues GROUP BY kind, severity ORDER BY issue_count DESC",
        "purpose": "Get breakdown of quality issues by type and severity",
        "source": "raw"
    }
}