{
    "action": "tool_call",
    "reasoning": "I've found a major discrepancy: the products table lists 'GTX Pro' (with a space) as a product with sales_price 4821, but the sales_pipeline table contains 1,480 deals for 'GTXPro' (no space) which generated $3.5M in won revenue. Yet step-7 shows 'GTX Pro' (with space) has 0 deals. This suggests a data quality issue where the product name mismatch prevents proper linking. Let me verify if there are any deals in sales_pipeline for 'GTX Pro' (with space) to confirm this is a complete disconnect.",
    "tool": "query_sql",
    "args": {
        "sql": "SELECT product, COUNT(*) as deal_count, SUM(CASE WHEN deal_stage = 'Won' THEN close_value ELSE 0 END) as won_value FROM raw.sales_pipeline WHERE product IN ('GTX Pro', 'GTXPro') GROUP BY product ORDER BY product",
        "purpose": "Verify the exact product name variants in sales_pipeline to confirm the mismatch between 'GTX Pro' (products table) and 'GTXPro' (pipeline deals)"
    }
}