What's the total sum of points scored by the Brisbane Broncos?
CREATE TABLE "most_points_scored_by_a_team" (
  "points" real,
  "score" text,
  "premiers" text,
  "runners_up" text,
  "details" text
);
SELECT SUM("points") FROM "most_points_scored_by_a_team" WHERE "premiers"='brisbane broncos';