What is the total wins with less than 21 goals taken?
CREATE TABLE "final_standing" (
  "team" text,
  "games_played" real,
  "wins" real,
  "losses" real,
  "ties" real,
  "goals_for" real,
  "goals_against" real
);
SELECT SUM("wins") FROM "final_standing" WHERE "goals_against"<21;