What was the segment b for Netflix s01e21?
CREATE TABLE "season_2_2002" (
  "series_ep" text,
  "episode" real,
  "netflix" text,
  "segment_a" text,
  "segment_b" text,
  "segment_c" text,
  "segment_d" text
);
SELECT "segment_b" FROM "season_2_2002" WHERE "netflix"='s01e21';