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_51 (date_departed VARCHAR, navy VARCHAR, name VARCHAR)
  ### Question:
  What's the departed date that the HMS Leith of the Royal Navy?
  ### Answer:
  SELECT date_departed FROM table_name_51 WHERE navy = "royal navy" AND name = "hms leith"