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_91 (completed VARCHAR, builder VARCHAR, name VARCHAR)
  ### Question:
  When did chatham complete the Hmsmedusa?
  ### Answer:
  SELECT completed FROM table_name_91 WHERE builder = "chatham" AND name = "hmsmedusa"