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_12164707_1 (mens_doubles VARCHAR, womens_singles VARCHAR)
  ### Question:
  Who won the Men's Doubles when Guo Xin won the Women's Singles?
  ### Answer:
  SELECT mens_doubles FROM table_12164707_1 WHERE womens_singles = "Guo Xin"