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_12 (birth VARCHAR, marriage VARCHAR)
  ### Question:
  When was the duchess, who was married on 11 july 1643, born?
  ### Answer:
  SELECT birth FROM table_name_12 WHERE marriage = "11 july 1643"