How many Decembers have calgary flames as the opponent?
CREATE TABLE table_name_90 (
    december VARCHAR,
    opponent VARCHAR
)
SELECT COUNT(december) FROM table_name_90 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_name_90 (
    december VARCHAR,
    opponent VARCHAR
) ### Response: SELECT COUNT(december) FROM table_name_90 WHERE opponent = "calgary flames"