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_27455867_1 (callback_audition_date VARCHAR, callback_venue VARCHAR)
  ### Question:
  When were the callback auditions at Hilton Riverside Hotel held?
  ### Answer:
  SELECT callback_audition_date FROM table_27455867_1 WHERE callback_venue = "Hilton Riverside Hotel"