{
    "action": "tool_call",
    "reasoning": "I need to retrieve the remaining 11 columns from the dataset to provide a complete list of columns, their data types, and their meanings.",
    "tool": "query_sql",
    "args": {
        "purpose": "Get the remaining columns for ai_supercomputers",
        "source": "raw",
        "sql": "SELECT column_name, phys_type, semantic_role FROM meta.columns WHERE table_name = 'ai_supercomputers' OFFSET 50"
    }
}