CREATE TABLE "class" (
  "name" text,
  "pennant" text,
  "builder" text,
  "laid_down" text,
  "launched" text,
  "commissioned" text
);

Question: Tell me the name for commissioned of 30 august 1941 and laid down of 22 september 1939
SQL: SELECT "name" FROM "class" WHERE "laid_down"='22 september 1939' AND "commissioned"='30 august 1941';