Who was the winner when the iron chef is hiroyuki sakai?
CREATE TABLE "2000_2002_specials" (
  "special" text,
  "original_airdate" text,
  "iron_chef" text,
  "challenger" text,
  "challenger_specialty" text,
  "theme_ingredient" text,
  "winner" text
);
SELECT "winner" FROM "2000_2002_specials" WHERE "iron_chef"='Hiroyuki Sakai';