Name the rank that premiered september 25, 2001
CREATE TABLE "nielsen_ratings" (
  "season" real,
  "season_premiere" text,
  "season_finale" text,
  "tv_season" text,
  "rank" text,
  "viewers_in_millions" text
);
SELECT "rank" FROM "nielsen_ratings" WHERE "season_premiere"='September 25, 2001';