CREATE TABLE table_38978 ("Game" FLOAT, "December" FLOAT, "Opponent" TEXT, "Score" TEXT, "Record" TEXT, "Points" FLOAT)

Which December has a Record of 21 7 2, and a Game larger than 30?
SELECT MAX("December") FROM table_38978 WHERE "Record" = '21–7–2' AND "Game" > '30'
SELECT MAX("December") FROM "table_38978" WHERE "Game" > '30' AND "Record" = '21–7–2'