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_20466963_4 (date VARCHAR, presenter VARCHAR)
  ### Question:
  What is the date of the episode in which the presenter is Johnny Vaughan?
  ### Answer:
  SELECT date FROM table_20466963_4 WHERE presenter = "Johnny Vaughan"