What format was released April 16, 2009?
CREATE TABLE table_name_55 (format VARCHAR, date VARCHAR)
SELECT format FROM table_name_55 WHERE date = "april 16, 2009"
### Context: CREATE TABLE table_name_55 (format VARCHAR, date VARCHAR) ### Question: What format was released April 16, 2009? ### Answer: SELECT format FROM table_name_55 WHERE date = "april 16, 2009"