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_91 (launched VARCHAR, laid_down VARCHAR)
### Question:
when was the destroyer launched when it was laid down on 14 august 1942?
### Answer:
SELECT launched FROM table_name_91 WHERE laid_down = "14 august 1942"