text: Below is an context that describes a sql query, paired with an question that provides further information. Write an answer that appropriately completes the request.  # noqa: E501
  ### Context:
  CREATE TABLE table_27155243_4 (written_by VARCHAR, episode__number VARCHAR)
  ### Question:
  How many items appear in the written by column in episode 3?
  ### Answer:
  SELECT COUNT(written_by) FROM table_27155243_4 WHERE episode__number = 3