user: Question: What was the game when the record was 31-15?
Columns: ['Game', 'Date', 'Opponent', 'Score', 'Location Attendance', 'Record']
Types: ['text', 'text', 'text', 'text', 'text', 'text']
Sample row: ['44', 'February 2', 'at Denver Nuggets', 'L 104-115', 'McNichols Sports Arena 13,122', '30-14']
SQL:

assistant: SELECT "Game" FROM "Table" WHERE "Record" = '31-15';