user: Question: List the number of years where Ritchie Ocampo was the mutya ng pilipinas winner.
Columns: ['Year', 'Mutya ng Pilipinas Asia Pacific', '1st runner-up', '2nd runner-up', '3rd runner-up', '4th runner-up']
Types: ['real', 'text', 'text', 'text', 'text', 'text']
Sample row: [1994.0, 'Angelica Jasmine Berroya Reyes', 'Karen Sanz Espino', 'Marjorie Poblador', 'Sherilyne Uy Reyes', 'Jojit Punsalan']
SQL:

assistant: SELECT COUNT("Year") FROM "Table" WHERE "Mutya ng Pilipinas Asia Pacific" = 'Ritchie Ocampo';