What is the goals for/against of the club with 17 points?
CREATE TABLE "regular_season" (
  "position" real,
  "club_city_town" text,
  "games_played" real,
  "w_l_d" text,
  "goals_for_against" text,
  "points" real
);
SELECT "goals_for_against" FROM "regular_season" WHERE "points"=17;