Who wrote the episode what had the rating 2.27m (5)?
CREATE TABLE table_26739 (
    "Series No." real,
    "Episode No." real,
    "Title" text,
    "Directed by" text,
    "Written by" text,
    "UK Ratings (BBC2 Rank)" text,
    "Original air date" text
)
SELECT "Written by" FROM table_26739 WHERE "UK Ratings (BBC2 Rank)" = '2.27m (5)'
Below are sql tables schemas paired with instruction that describes a task. Using valid SQLite, write a response that appropriately completes the request for the provided tables. ### Instruction: Who wrote the episode what had the rating 2.27m (5)? ### Input: CREATE TABLE table_26739 (
    "Series No." real,
    "Episode No." real,
    "Title" text,
    "Directed by" text,
    "Written by" text,
    "UK Ratings (BBC2 Rank)" text,
    "Original air date" text
) ### Response: SELECT "Written by" FROM table_26739 WHERE "UK Ratings (BBC2 Rank)" = '2.27m (5)'