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, edition VARCHAR, outcome VARCHAR)
### Question:
What is Surface, when Edition is 2012, and when Outcome is Winner?
### Answer:
SELECT surface FROM table_name_51 WHERE edition = 2012 AND outcome = "winner"