who is the the writer(s) with original airdate being february 7, 2001
CREATE TABLE "season_2" (
  "num" real,
  "episode_title" text,
  "writer_s" text,
  "director" text,
  "prod_code" text,
  "original_airdate" text
);
SELECT "writer_s" FROM "season_2" WHERE "original_airdate"='February 7, 2001';