What is the average Runners-Up, when 4th-Place is greater than 1, and when Champions is "2"?
CREATE TABLE "top_performing_clubs_in_the_prime_league" (
  "club" text,
  "champions" real,
  "runners_up" real,
  "3rd_place" real,
  "4th_place" real
);
SELECT AVG("runners_up") FROM "top_performing_clubs_in_the_prime_league" WHERE "4th_place">1 AND "champions"=2;