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_name_21 (date VARCHAR, label VARCHAR, format VARCHAR)
  ### Question:
  What is the date for Hydra Head Records with a CD format?
  ### Answer:
  SELECT date FROM table_name_21 WHERE label = "hydra head records" AND format = "cd"