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_12027364_1 (mixed_doubles VARCHAR, mens_singles VARCHAR)
### Question:
Who won the mixed doubles when ji xinpeng won the mens singles?
### Answer:
SELECT mixed_doubles FROM table_12027364_1 WHERE mens_singles = "Ji Xinpeng"