{
    "action": "tool_call",
    "reasoning": "I need to see the actual distribution of close_value across deal_stage to answer the question. The card shows a gold table 'sales_pipeline_by_deal_stage' exists which should have this pre-aggregated. Let me query it to get the breakdown of the key metric (close_value) by the key category (deal_stage).",
    "tool": "query_sql",
    "args": {
        "sql": "SELECT * FROM sales_pipeline_by_deal_stage ORDER BY total_close_value DESC",
        "purpose": "Get the distribution of close_value (most important metric) across deal_stage (most important category)",
        "source": "gold"
    }
}