CREATE TABLE "table1_2430014_8" (
  "series_no" real,
  "episode_no" real,
  "title" text,
  "directed_by" text,
  "written_by" text,
  "uk_ratings_bbc2_rank" text,
  "original_air_date" text
);

Question: How many directors worked on the episode with 2.27m (5) is the ratings?
SQL: SELECT COUNT("directed_by") FROM "table1_2430014_8" WHERE "uk_ratings_bbc2_rank"='2.27m (5)';

Question: What is the title of episode 2?
SQL: SELECT "title" FROM "table1_2430014_8" WHERE "episode_no"=2;

Question: Who wrote the episode what had the rating 2.27m (5)?
SQL: SELECT "written_by" FROM "table1_2430014_8" WHERE "uk_ratings_bbc2_rank"='2.27m (5)';