{
    "action": "tool_call",
    "reasoning": "No query results are visible in evidence, so I need to run the highest and lowest close records before stating any numbers.",
    "tool": "query_sql",
    "args": {
        "sql": "(SELECT 'highest' AS kind, company_name, stock_name, date, open, high, low, close, volume FROM raw.semi_conductor_se ORDER BY close DESC LIMIT 5) UNION ALL (SELECT 'lowest' AS kind, company_name, stock_name, date, open, high, low, close, volume FROM raw.semi_conductor_se WHERE close > 0 ORDER BY close ASC LIMIT 5)",
        "purpose": "Top 5 highest and lowest daily closing prices with context",
        "source": "raw"
    }
}