Table: rangers_season_17
Columns: game
december
opponent
score
record

Question: What is average December when game is 30?
SQL: SELECT AVG("december") FROM rangers_season_17 WHERE "game" = 30

Question: Which opponent has a game larger than 23, December larger than 8, and record of 8-10-7?
SQL: SELECT "opponent" FROM rangers_season_17 WHERE "game" > 23 AND "december" > 8 AND "record" = '8-10-7'