{
    "action": "tool_call",
    "reasoning": "The dataset card shows multiple temporal axes, with beer_ratings.created_at spanning 2000-04-12 to 2025-02-03 (the longest range). The gold table beer_ratings_by_created_at__yyyy exists and groups ratings by year. I'll query it to see the yearly row counts (number of ratings per year) to identify the overall trend.",
    "tool": "query_sql",
    "args": {
        "sql": "SELECT created_at__yyyy, row_count FROM beer_ratings_by_created_at__yyyy ORDER BY created_at__yyyy",
        "purpose": "Get yearly beer rating counts to identify the overall trend over time",
        "source": "gold"
    }
}