Which year opened has le monstre coaster?
CREATE TABLE table_name_57 (year_opened VARCHAR, coaster_name VARCHAR)
SELECT year_opened FROM table_name_57 WHERE coaster_name = "le monstre"
### Context: CREATE TABLE table_name_57 (year_opened VARCHAR, coaster_name VARCHAR) ### Question: Which year opened has le monstre coaster? ### Answer: SELECT year_opened FROM table_name_57 WHERE coaster_name = "le monstre"