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_68 (marriage VARCHAR, became_duchess VARCHAR)
  ### Question:
  Which Marriage has a Became Duchess of 12 december 1666?
  ### Answer:
  SELECT marriage FROM table_name_68 WHERE became_duchess = "12 december 1666"