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