Below is an instruction that describes a task. Write a response that appropriately completes the request.

### Instruction:
What is Surface, when Edition is 2012, and when Outcome is Winner?

### Inputs:
table_name: table, columns: ['Outcome', 'Edition', 'Round', 'Opponent Team', 'Surface', 'Opponent', 'Score']

### Response:
SELECT Surface FROM table WHERE Edition = 2012 AND Outcome = winner