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

### Instruction:
Which district did Ralph Harvey (r) vacated when he resigned?

### Inputs:
table_name: table, columns: ['District', 'Vacator', 'Reason for change', 'Successor', 'Date successor seated']

### Response:
SELECT District FROM table WHERE Vacator = Ralph Harvey (R)