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

### Instruction:
How many incumbents were the result of sanford bishop (d) 57% joseph mccormick (r) 43%?

### Inputs:
table_name: table, columns: ['District', 'Incumbent', 'Party', 'Elected', 'Status', 'Result']

### Response:
SELECT COUNT Incumbent FROM table WHERE Result = Sanford Bishop (D) 57% Joseph McCormick (R) 43%