{
    "action": "tool_call",
    "reasoning": "I have basic range checks showing no impossible lat/lon values, no ratings above 4.9 or below 0, and 18 restaurants with zero cost. I need to investigate the 12 distinct currencies more closely to check for mixed units/inconsistent formats, examine the zero-cost restaurants in detail, look at the relationship between ratings and votes (zero ratings with votes would be inconsistent), and check for any other format inconsistencies in key fields.",
    "tool": "query_sql",
    "purpose": "Examine currency distribution and check for mixed units or inconsistent currency formats",
    "args": {
        "sql": "SELECT Currency, COUNT(*) as restaurant_count, MIN(\"Average Cost for two\") as min_cost, MAX(\"Average Cost for two\") as max_cost, MEDIAN(\"Average Cost for two\") as median_cost FROM raw.\"Zomato Restaurant Dataset\" GROUP BY Currency ORDER BY restaurant_count DESC",
        "purpose": "Examine currency distribution and check for mixed units or inconsistent currency formats",
        "source": "raw"
    }
}