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

### Instruction:
For edition is 2011 europe/africa group iiib and surface where score is 6–4, 6–1 please specify all the surface

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

### Response:
SELECT Surface FROM table WHERE Score = 6–4, 6–1 AND Edition = 2011 Europe/Africa Group IIIB