{
    "action": "tool_call",
    "reasoning": "I've already profiled beer_ratings and found no invalid values in the core rating fields (aroma, flavor, mouthfeel, appearance, overall, total_score all within expected ranges), but discovered 244,970 suspicious description_score values (range -10495 to 500, median 1.0). Now I need to systematically check the other major tables for quality issues. I'll start with beers table to check for impossible values in numeric fields, date inconsistencies, and format issues.",
    "tool": "inspect_columns",
    "args": {
        "table": "beers"
    }
}