What is the average Goals, when Club is Iserlohn Roosters, and when Games is less than 56?
CREATE TABLE "regular_season" (
  "player" text,
  "club" text,
  "games" real,
  "goals" real,
  "assists" real,
  "points" real
);
SELECT AVG("goals") FROM "regular_season" WHERE "club"='iserlohn roosters' AND "games"<56;