what is the goals when the goal difference is more than -3, the club is real avilés cf and the goals against is more than 60?
CREATE TABLE "group_i" (
  "position" real,
  "club" text,
  "played" real,
  "points" real,
  "wins" real,
  "draws" real,
  "losses" real,
  "goals_for" real,
  "goals_against" real,
  "goal_difference" real
);
SELECT SUM("goals_for") FROM "group_i" WHERE "goal_difference">-3 AND "club"='real avilés cf' AND "goals_against">60;