List all the results for mahmoud ahmadinejad when candidate mir-hossein mousavi obtained 218481 votes.
CREATE TABLE "provincial_results" (
  "province" text,
  "mahmoud_ahmadinejad" real,
  "mehdi_karroubi" real,
  "mir_hossein_mousavi" real,
  "mohsen_rezaee" real,
  "spoiled_ballots" real,
  "total_votes" real
);
SELECT "mahmoud_ahmadinejad" FROM "provincial_results" WHERE "mir_hossein_mousavi"=218481;