What is the sum of the positions for the player who had less than 25 losses, a goal difference of +20, 10 draws, and played less than 42?
CREATE TABLE "premier_division_final_table" (
  "position" real,
  "team" text,
  "played" real,
  "drawn" real,
  "lost" real,
  "goals_for" real,
  "goals_against" real,
  "goal_difference" text,
  "points_1" text
);
SELECT SUM("position") FROM "premier_division_final_table" WHERE "drawn"=10 AND "lost"<25 AND "goal_difference"='+20' AND "played"<42;