Name the Goals Conceded  which has a Draw of 0 and a Played larger than 0?
CREATE TABLE "standings" (
  "team" text,
  "played" real,
  "draw" real,
  "lost" real,
  "goals_scored" real,
  "goals_conceded" real,
  "points" text
);
SELECT AVG("goals_conceded") FROM "standings" WHERE "draw"=0 AND "played">0;