What was the released date of Polarium?
CREATE TABLE table_1616608_2 (released_date VARCHAR, western_title VARCHAR)
SELECT released_date FROM table_1616608_2 WHERE western_title = "Polarium"
### Context: CREATE TABLE table_1616608_2 (released_date VARCHAR, western_title VARCHAR) ### Question: What was the released date of Polarium? ### Answer: SELECT released_date FROM table_1616608_2 WHERE western_title = "Polarium"