Name the Production Number with a Director of friz freleng, and a Title of wacky worm, the?
CREATE TABLE "1941" (
  "title" text,
  "series" text,
  "director" text,
  "production_number" text,
  "release_date" text,
  "reissue" text
);
SELECT "production_number" FROM "1941" WHERE "director"='friz freleng' AND "title"='wacky worm, the';