{
    "action": "tool_call",
    "reasoning": "The quality report shows critical missing data issues (places.currency 100% null, beer_ratings.availability_id 99% null) but doesn't detail outliers, impossible values, or format inconsistencies. I need to examine the actual data distributions. Starting with the largest table (beer_ratings) to check for rating value outliers and impossible values. First, I'll inspect its columns to see what fields exist.",
    "tool": "inspect_columns",
    "args": {
        "table": "beer_ratings"
    }
}