Below is an context that describes a sql query, paired with an question that provides further information. Write an answer that appropriately completes the request.  # noqa: E501
### Context:
CREATE TABLE table_name_77 (format VARCHAR, date VARCHAR)
### Question:
Which format is released on May 27, 2009?
### Answer:
SELECT format FROM table_name_77 WHERE date = "may 27, 2009"