{
    "action": "tool_call",
    "reasoning": "The evidence shows that both tables have an 'Assoc' column (association/country codes) with geographic distribution. I have counts for the top 50 associations in each table. Now I need to understand the overall geographic distribution pattern - how many total associations exist, what the concentration looks like, and whether there are regional patterns. Let me get the complete distribution statistics.",
    "tool": "query_sql",
    "args": {
        "sql": "SELECT COUNT(DISTINCT Assoc) as total_associations, COUNT(*) as total_records, ROUND(AVG(cnt), 2) as avg_records_per_assoc, MIN(cnt) as min_records, MAX(cnt) as max_records, ROUND(STDDEV(cnt), 2) as stddev_records FROM (SELECT Assoc, COUNT(*) as cnt FROM raw.ittf_rankings GROUP BY Assoc) subq",
        "purpose": "Get overall statistics on geographic distribution in ittf_rankings table",
        "source": "raw"
    }
}