Below is the list of tables from the database along with their columns and datatype. Need to generate an accurate SQL query for the question.
Only use the columns present in the respective table. Only use the columns which are required to generate the SQL query. Only use table joins if required and not otherwise.

### Tables ###
TABLE: CREATE TABLE table_name_55 ( launched VARCHAR, laid_down VARCHAR )

### Question ###
when was the launched date when the laid down date is 14 august 1942?

### Accurate SQL ###

SELECT launched FROM table_name_55 WHERE laid_down = "14 august 1942"