Question: December smaller than 21, and a Opponent of Buffalo Sabres had what score?
SQL: SELECT "Score" FROM "2-13991411-4" WHERE "December" < 21.0 AND "Opponent" = 'Buffalo Sabres';

Question: Score of 8 - 1 happened on what day in December?
SQL: SELECT "December" FROM "2-13991411-4" WHERE "Score" = '8 - 1';

Question: December larger than 21, and a Opponent of Pittsburgh Penguins had what average game?
SQL: SELECT AVG("Game") FROM "2-13991411-4" WHERE "December" > 21.0 AND "Opponent" = 'Pittsburgh Penguins';

Question: December smaller than 14, and a Game smaller than 28, and a Score of 6 - 6 involved what opponent?
SQL: SELECT "Opponent" FROM "2-13991411-4" WHERE "December" < 14.0 AND "Game" < 28.0 AND "Score" = '6 - 6';