{
    "action": "tool_call",
    "reasoning": "My earlier draft cited figures (ticker count, post-ChatGPT row share, average high-low range) with no tool result behind them. I'll compute them in one query before answering.",
    "tool": "query_sql",
    "args": {
        "sql": "SELECT COUNT(*) AS total_rows, COUNT(DISTINCT stock_name) AS tickers, COUNT(DISTINCT company_name) AS companies, MIN(date) AS first_date, MAX(date) AS last_date, SUM(CASE WHEN date >= DATE '2022-11-30' THEN 1 ELSE 0 END) AS rows_post_chatgpt, ROUND(100.0 * SUM(CASE WHEN date >= DATE '2022-11-30' THEN 1 ELSE 0 END) / COUNT(*), 1) AS pct_post_chatgpt, ROUND(100.0 * AVG((high - low) / NULLIF(close, 0)), 2) AS avg_range_pct_of_close FROM raw.semi_conductor_se",
        "purpose": "Verify the dataset facts used to frame the suggested analytical questions",
        "source": "raw"
    }
}