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_24798489_2 (challenge VARCHAR, episode_number VARCHAR)
  ### Question:
  What was the challenge for episode 28?
  ### Answer:
  SELECT challenge FROM table_24798489_2 WHERE episode_number = 28