What is the sum of goals against for positions higher than 14, with fewer than 30 played?
CREATE TABLE "group_ii" (
  "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_against") FROM "group_ii" WHERE "position">14 AND "played"<30;