What is the sum of Position, when Points 1 is greater than 23, and when Goals For is "77"?
CREATE TABLE "second_division_final_table" (
  "position" real,
  "team" text,
  "played" real,
  "drawn" real,
  "lost" real,
  "goals_for" real,
  "goals_against" real,
  "goal_difference" text,
  "points_1" real
);
SELECT SUM("position") FROM "second_division_final_table" WHERE "points_1">23 AND "goals_for"=77;