What is the average number of goals for a player who had a Leeds career from 1960–1964 and made fewer than 120 appearances?
CREATE TABLE "notable_players" (
  "nationality" text,
  "position" text,
  "leeds_career" text,
  "appearances" real,
  "goals" real
);
SELECT AVG("goals") FROM "notable_players" WHERE "leeds_career"='1960–1964' AND "appearances"<120;