How many points in total were scored by the player whose Oberstdork score and rank were 252.6 (11)?
CREATE TABLE "overall_standings" (
  "rank" real,
  "name" text,
  "nationality" text,
  "total_points" text,
  "oberstdorf_rk" text,
  "ga_pa_rk" text,
  "bhofennum1_rk" text,
  "bhofennum2_rk" text
);
SELECT "total_points" FROM "overall_standings" WHERE "oberstdorf_rk"='252.6 (11)';