user: Question: Who was the opponent on December 1, before Game 28?
Columns: ['Game', 'December', 'Opponent', 'Score', 'Record']
Types: ['real', 'real', 'text', 'text', 'text']
Sample row: [25.0, 1.0, '@ St. Louis Blues', '2 - 0', '10-13-2']
SQL:

assistant: SELECT "Opponent" FROM "Table" WHERE "Game" < 28.0 AND "December" = 1.0;