{
    "action": "tool_call",
    "reasoning": "To identify the most interesting analytical questions, I need to understand the dataset's structure and content depth. The overview tells me this is a player registry with biographical and competitive metadata. I should examine the actual columns, their distributions, and data quality to ground my recommendations in what the data can actually support. Let me inspect the columns to see what dimensions and measures are available.",
    "tool": "inspect_columns",
    "args": {
        "table": "raw.ittf_player_info"
    }
}