What is the average number of points of the club with more than 23 goals conceded and a position larger than 12?
CREATE TABLE "1_lyga" (
  "position" real,
  "club" text,
  "games_played" real,
  "wins" real,
  "draws" real,
  "loses" real,
  "goals_scored" real,
  "goals_conceded" real,
  "points" real
);
SELECT AVG("points") FROM "1_lyga" WHERE "goals_conceded">23 AND "position">12;