What is the launch date for the Ushio dd-54?
CREATE TABLE table_name_55 (launched VARCHAR, name VARCHAR)
SELECT launched FROM table_name_55 WHERE name = "ushio dd-54"
### Context: CREATE TABLE table_name_55 (launched VARCHAR, name VARCHAR) ### Question: What is the launch date for the Ushio dd-54? ### Answer: SELECT launched FROM table_name_55 WHERE name = "ushio dd-54"