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

### Instruction:
On what surface was Ivan Lendl a partner with a runner-up outcome and final score of 2–6, 6–7?

### Inputs:
table_name: table, columns: ['Outcome', 'Date', 'Tournament', 'Surface', 'Partner', 'Opponents in the final', 'Score in the final']

### Response:
SELECT Surface FROM table WHERE Outcome = runner-up AND Partner = ivan lendl AND Score in the final = 2–6, 6–7