CREATE TABLE table_43546 ("Game" FLOAT, "December" FLOAT, "Opponent" TEXT, "Score" TEXT, "Decision" TEXT, "Record" TEXT)

How many Decembers have calgary flames as the opponent?
SELECT COUNT("December") FROM table_43546 WHERE "Opponent" = 'calgary flames'
SELECT COUNT("December") FROM "table_43546" WHERE "Opponent" = 'calgary flames'