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_13537940_1 (launched VARCHAR, name VARCHAR)
  ### Question:
  Which launch date involved the Driade?
  ### Answer:
  SELECT launched FROM table_13537940_1 WHERE name = "Driade"