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_50 (completed VARCHAR, pennant_number VARCHAR)
  ### Question:
  When is the completed date of the destroyer with a pennant number h59?
  ### Answer:
  SELECT completed FROM table_name_50 WHERE pennant_number = "h59"