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_24 (surface VARCHAR, opponents VARCHAR)
### Question:
What was the surface when the opponent was sergiy stakhovsky mikhail youzhny?
### Answer:
SELECT surface FROM table_name_24 WHERE opponents = "sergiy stakhovsky mikhail youzhny"