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_27 (mens_singles VARCHAR, year_location VARCHAR)
### Question:
Who is listed under mens singles when the year location is 2009 doha?
### Answer:
SELECT mens_singles FROM table_28138035_27 WHERE year_location = "2009 Doha"