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_17810099_3 (title VARCHAR, episode__number VARCHAR)
  ### Question:
  what was the title of the episode 21a?
  ### Answer:
  SELECT title FROM table_17810099_3 WHERE episode__number = "21a"