{
    "action": "tool_call",
    "reasoning": "The evidence shows 141 cities across multiple countries (Country Code 1, 216, 214, 189, 215, 191, 148, 208, 166, 30). I need to understand the country-level distribution first, then examine the spatial concentration. Let me query for country-level aggregation to see how restaurants are distributed across countries.",
    "tool": "query_sql",
    "sql": "SELECT \"Country Code\", COUNT(*) as restaurant_count, COUNT(DISTINCT City) as city_count FROM raw.\"Zomato Restaurant Dataset\" GROUP BY \"Country Code\" ORDER BY restaurant_count DESC",
    "purpose": "Get country-level distribution to understand geographic spread",
    "source": "raw"
}