{
    "action": "tool_call",
    "reasoning": "My earlier draft cited results that aren't in the evidence shown to me, so I'll re-run the numbers. One query gives distinct counts and the most common company/ticker values with their row shares.",
    "tool": "query_sql",
    "args": {
        "sql": "SELECT company_name, stock_name, COUNT(*) AS row_count, ROUND(100.0 * COUNT(*) / (SELECT COUNT(*) FROM raw.semi_conductor_se), 3) AS pct_of_rows, MIN(date) AS first_date, MAX(date) AS last_date FROM raw.semi_conductor_se GROUP BY company_name, stock_name ORDER BY row_count DESC LIMIT 20",
        "purpose": "Show the most common company/ticker values, their share of rows and date coverage",
        "source": "raw"
    }
}