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

### Instruction:
List the number of years where ritchie ocampo was the mutya ng pilipinas winner.

### Inputs:
table_name: table, columns: ['Year', 'Mutya ng Pilipinas Asia Pacific', '1st runner-up', '2nd runner-up', '3rd runner-up', '4th runner-up']

### Response:
SELECT COUNT Year FROM table WHERE Mutya ng Pilipinas Asia Pacific = Ritchie Ocampo