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_15739098_1 (episode VARCHAR, story VARCHAR)
  ### Question:
  Name the number of episodes for alan nourse
  ### Answer:
  SELECT COUNT(episode) FROM table_15739098_1 WHERE story = "Alan Nourse"