Name the number of total pts for gbr challenge
CREATE TABLE "round_robin" (
  "team_name" text,
  "races" real,
  "won" real,
  "rr1_pts" real,
  "rr2_pts" real,
  "total_pts" text,
  "ranking" real
);
SELECT COUNT("total_pts") FROM "round_robin" WHERE "team_name"='GBR Challenge';