How many segment b's when segment a is filigree glass
CREATE TABLE "season_16_2010_2011" (
  "series_ep" text,
  "episode" real,
  "netflix" text,
  "segment_a" text,
  "segment_b" text,
  "segment_c" text,
  "segment_d" text
);
SELECT COUNT("segment_b") FROM "season_16_2010_2011" WHERE "segment_a"='Filigree Glass';