```json { "action": "tool_call", "reasoning": "The evidence shows birth year distribution with 50-row truncation. I can see the data starts from 1911 and goes through 1979 in the visible portion, with a notable '0' value (230 players with missing birth year). The counts grow from single digits in early years to 300+ by late 1970s. However, the results are truncated at 50 rows, so I'm missing the 1980-2014 range mentioned in the card. I need the complete distribution to identify all spikes, dips, and breaks across the full temporal range.", "tool": "query_sql", "args": { "sql": "SELECT \"Birth year\", COUNT(*) as player_count FROM raw.ittf_player_info WHERE \"Birth year\" > 0 GROUP BY \"Birth year\" ORDER BY \"Birth year\"", "purpose": "Get complete birth year distribution excluding nulls to identify all temporal patterns", "source": "raw" } } ```