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

### Instruction:
Who was the partner on the game which took place on a clay surface with opponents of marco chiudinelli michael lammer and a runner-up result?

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

### Response:
SELECT Partner FROM table WHERE Outcome = runner-up AND Surface = clay AND Opponents = marco chiudinelli michael lammer