question: Did a Chinese cinematographer produce M2 and produce a film
query: SELECT count(*) WHERE {
  ?x0 a ns:film.cinematographer .
  ?x0 ns:film.producer.film|ns:film.production_company.films ?x1 .
  ?x0 ns:film.producer.film|ns:film.production_company.films M2 .
  ?x0 ns:people.person.nationality ns:m.0d05w3 .
  ?x1 a ns:film.film
  }