CREATE TABLE table_52770 ("Name" TEXT, "Pennant" TEXT, "Builder" TEXT, "Laid Down" TEXT, "Launched" TEXT, "Commissioned" TEXT)

when was the launched date when the laid down date is 14 august 1942?
SELECT "Launched" FROM table_52770 WHERE "Laid Down" = '14 august 1942'
SELECT "Launched" FROM "table_52770" WHERE "Laid Down" = '14 august 1942'