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_25391981_20 (episode_number VARCHAR, episode VARCHAR)
  ### Question:
  What number episode was Week 4, Part 2?
  ### Answer:
  SELECT episode_number FROM table_25391981_20 WHERE episode = "Week 4, Part 2"