{
    "action": "tool_call",
    "reasoning": "I've identified medal_value as the key numeric metric (values 1-3 representing Bronze/Silver/Gold). To show the highest and lowest records, I'll query for both extremes: medal_value=3 (Gold medals, highest) and medal_value=1 (Bronze medals, lowest). I'll get a sample of each to show the range.",
    "tool": "query_sql",
    "args": {
        "sql": "SELECT year, event, medal, country, medalist, medal_value FROM raw.olympic_table_tennis_medals_1988_2024 WHERE medal_value = 3 ORDER BY year DESC LIMIT 10",
        "purpose": "Get highest medal_value records (Gold medals) to show the top end of the metric",
        "source": "raw"
    }
}