user: Question: Which Opponent has a Game of 31?
Columns: ['Game', 'December', 'Opponent', 'Score', 'Record', 'Points']
Types: ['real', 'real', 'text', 'text', 'text', 'real']
Sample row: [24.0, 2.0, 'New Jersey Devils', '0–1 OT', '11–6–6–1', 29.0]
SQL:

assistant: SELECT "Opponent" FROM "Table" WHERE "Game" = 31.0;