user: Question: What is the game number on december 21?
Columns: ['Game', 'Date', 'Opponent', 'Score', 'Location/Attendance', 'Record']
Types: ['real', 'text', 'text', 'text', 'text', 'text']
Sample row: [25.0, 'December 3', 'New York', '93-126', 'Madison Square Garden', '12-13']
SQL:

assistant: SELECT "Game" FROM "Table" WHERE "Date" = 'december 21';