CREATE TABLE "1939" (
  "title" text,
  "series" text,
  "director" text,
  "production_num" text,
  "release_date" text
);

Question: When was sniffles and the bookworm released?
SQL: SELECT "release_date" FROM "1939" WHERE "title"='sniffles and the bookworm';

Question: When was land of the midnight fun in the mm series released?
SQL: SELECT "release_date" FROM "1939" WHERE "series"='mm' AND "title"='land of the midnight fun';

Question: Which series had a release on 1939-07-15 with the 8863 production number?
SQL: SELECT "series" FROM "1939" WHERE "release_date"='1939-07-15' AND "production_num"='8863';

Question: Who directed hamateur night?
SQL: SELECT "director" FROM "1939" WHERE "title"='hamateur night';

Question: When was Production Number 9105 released?
SQL: SELECT "release_date" FROM "1939" WHERE "production_num"='9105';