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_10023387_1 (singles_w_l VARCHAR, player VARCHAR)
### Question:
what's the singles w-l for kim doo-hwan
### Answer:
SELECT singles_w_l FROM table_10023387_1 WHERE player = "Kim Doo-Hwan"