who won mixed doubles when wang yihan won womens singles
CREATE TABLE table_20361783_1 (mixed_doubles VARCHAR, womens_singles VARCHAR)
SELECT mixed_doubles FROM table_20361783_1 WHERE womens_singles = "Wang Yihan"
### Context: CREATE TABLE table_20361783_1 (mixed_doubles VARCHAR, womens_singles VARCHAR) ### Question: who won mixed doubles when wang yihan won womens singles ### Answer: SELECT mixed_doubles FROM table_20361783_1 WHERE womens_singles = "Wang Yihan"