user: Question: What is average December when game is 30?
Columns: ['Game', 'December', 'Opponent', 'Score', 'Record']
Types: ['real', 'real', 'text', 'text', 'text']
Sample row: [22.0, 2.0, 'Toronto Maple Leafs', '4 - 2', '7-10-5']
SQL:

assistant: SELECT AVG("December") FROM "Table" WHERE "Game" = 30.0;