when was the launched date when the laid down date is 14 august 1942?
CREATE TABLE "ca_or_11th_emergency_flotilla" (
  "name" text,
  "pennant" text,
  "builder" text,
  "laid_down" text,
  "launched" text,
  "commissioned" text
);
SELECT "launched" FROM "ca_or_11th_emergency_flotilla" WHERE "laid_down"='14 august 1942';