{
    "action": "tool_call",
    "reasoning": "To identify the most interesting analytical questions, I need to understand the geographic and market diversity in the dataset. Let me check the distribution of restaurants across countries and cities, and see which markets have the most data depth for meaningful analysis.",
    "tool": "query_sql",
    "source": "raw",
    "purpose": "Get country and city distribution to understand market coverage and identify where we have enough data for deep analysis",
    "args": {
        "sql": "SELECT Country Code, City, COUNT(*) as restaurant_count, COUNT(DISTINCT Cuisines) as cuisine_variety, AVG(\"Aggregate rating\") as avg_rating, COUNT(CASE WHEN \"Has Online delivery\" = true THEN 1 END) as with_delivery, COUNT(CASE WHEN \"Has Table booking\" = true THEN 1 END) as with_booking FROM raw.\"Zomato Restaurant Dataset\" GROUP BY Country Code, City ORDER BY restaurant_count DESC LIMIT 20"
    }
}