What is the highest late 1943 number with a late 1941 of vojvodina and a 1978 membership less than 40,000?
CREATE TABLE "composition" (
  "late_1941" text,
  "late_1942" real,
  "sept_1943" real,
  "late_1943" real,
  "late_1944" real,
  "1978_veteran_membership" real
);
SELECT MAX("late_1943") FROM "composition" WHERE "late_1941"='vojvodina' AND "1978_veteran_membership"<'40,000';