How many Decembers have calgary flames as the opponent?
CREATE TABLE table_43546 (
    "Game" real,
    "December" real,
    "Opponent" text,
    "Score" text,
    "Decision" text,
    "Record" text
)
SELECT COUNT("December") FROM table_43546 WHERE "Opponent" = 'calgary flames'
Below are sql tables schemas paired with instruction that describes a task. Using valid SQLite, write a response that appropriately completes the request for the provided tables. ### Instruction: How many Decembers have calgary flames as the opponent? ### Input: CREATE TABLE table_43546 (
    "Game" real,
    "December" real,
    "Opponent" text,
    "Score" text,
    "Decision" text,
    "Record" text
) ### Response: SELECT COUNT("December") FROM table_43546 WHERE "Opponent" = 'calgary flames'