{
    "action": "tool_call",
    "reasoning": "The dataset contains NFL game scores from 2010-2026. To identify natural segmentation approaches, I should examine the gold tables to see what pre-computed groupings exist, as these reveal the most meaningful ways the data has been aggregated. The gold table names themselves indicate the natural dimensions used for segmentation.",
    "tool": "get_gold_tables",
    "args": {}
}