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_name_11 (opponent VARCHAR, method VARCHAR, res VARCHAR)
### Question:
The tko (doctor stoppage) method was used in a loss against which opponent?
### Answer:
SELECT opponent FROM table_name_11 WHERE method = "tko (doctor stoppage)" AND res = "loss"