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_51 (surface VARCHAR, outcome VARCHAR, opponent VARCHAR)
### Question:
What was the surface when the opponent was judith wiesner, and the outcome was winner?
### Answer:
SELECT surface FROM table_name_51 WHERE outcome = "winner" AND opponent = "judith wiesner"