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

### Instruction:
How many years was the operating profit (s$m) 717.1?

### Inputs:
table_name: table, columns: ['Year ended', 'Revenue (S$m)', 'Expenditure (S$m)', 'Operating profit (S$m)', 'Profit before taxation (S$m)', 'Profit attributable to equity holders (S$m)', 'EPS after tax – diluted (cents)']

### Response:
SELECT COUNT Profit before taxation (S$m) FROM table WHERE Operating profit (S$m) = 717.1