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_98 (release_date VARCHAR, developer_s_ VARCHAR)
### Question:
When did Masthead Studios release their game?
### Answer:
SELECT release_date FROM table_name_98 WHERE developer_s_ = "masthead studios"