how many times is the production code is 201a?
CREATE TABLE "aaahh_real_monsters_season_2_episodes" (
  "no_in_series" text,
  "no_in_season" text,
  "title" text,
  "directed_by" text,
  "written_by" text,
  "original_air_date" text,
  "production_code" text
);
SELECT COUNT("title") FROM "aaahh_real_monsters_season_2_episodes" WHERE "production_code"='201a';