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_28138035_15 (womens_singles VARCHAR, mens_singles VARCHAR)
### Question:
Who won Womens Singles in the year that Ma Lin won Mens Singles?
### Answer:
SELECT womens_singles FROM table_28138035_15 WHERE mens_singles = "Ma Lin"