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

### Instruction:
Who were the umpires when Paul Medhurst (C) won the Simpson Medal?

### Inputs:
table_name: table, columns: ['Season', 'Premiers', 'Runners Up', 'Score', 'Captain', 'Coach', 'Simpson Medal', 'Venue', 'Attendance', 'Umpires']

### Response:
SELECT Umpires FROM table WHERE Simpson Medal = Paul Medhurst (C)