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_6 (opponent VARCHAR, date VARCHAR, outcome VARCHAR, surface VARCHAR)
### Question:
Who is the opponent for the winner outcome on a hard surface on August 27, 2011?
### Answer:
SELECT opponent FROM table_name_6 WHERE outcome = "winner" AND surface = "hard" AND date = "august 27, 2011"