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

### Instruction:
what is the date the successor seated because the person died august 17, 1954?

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

### Response:
SELECT Date successor seated FROM table WHERE Reason for change = Died August 17, 1954