Who is the main contestant eliminated with a score of 1 + 7 + 5 = 13?
CREATE TABLE "week_4_july_30_and_31_2008" (
  "main_contestant" text,
  "co_contestant_yaar_vs_pyaar" text,
  "date_performed" text,
  "scores_by_each_individual_judge" text,
  "total_score_week" text,
  "position" text,
  "status" text
);
SELECT "main_contestant" FROM "week_4_july_30_and_31_2008" WHERE "status"='eliminated' AND "scores_by_each_individual_judge"='1 + 7 + 5 = 13';