Who was the finalist when the winner was First Vienna FC?
CREATE TABLE "german_cup_finals_under_the_gauliga_syst" (
  "year" real,
  "winner" text,
  "finalist" text,
  "result" text,
  "date" text,
  "venue" text,
  "attendance" real
);
SELECT "finalist" FROM "german_cup_finals_under_the_gauliga_syst" WHERE "winner"='first vienna fc';