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"
Below are sql tables schemas paired with instruction that describes a task. Using valid SQLite, write a response that appropriately completes the request for the provided tables. ### Instruction: who won mixed doubles when wang yihan won womens singles ### Input: CREATE TABLE table_20361783_1 (
    mixed_doubles VARCHAR,
    womens_singles VARCHAR
) ### Response: SELECT mixed_doubles FROM table_20361783_1 WHERE womens_singles = "Wang Yihan"