question: Was M1 a Chinese cinematographer that M0 's producer employed
query: SELECT count(*) WHERE {
  ?x0 ns:film.producer.film|ns:film.production_company.films M0 .
  M1 a ns:film.cinematographer .
  M1 ns:people.person.employment_history/ns:business.employment_tenure.company ?x0 .
  M1 ns:people.person.nationality ns:m.0d05w3
  }