text: Below is an context that describes a sql query, paired with an question that provides further information. Write an answer that appropriately completes the request.  # noqa: E501
  ### Context:
  CREATE TABLE table_24430894_20 (year VARCHAR, mutya_ng_pilipinas_asia_pacific VARCHAR)
  ### Question:
  List the number of years where ritchie ocampo was the mutya ng pilipinas winner.
  ### Answer:
  SELECT COUNT(year) FROM table_24430894_20 WHERE mutya_ng_pilipinas_asia_pacific = "Ritchie Ocampo"