question: Was a film producer a Chinese editor , director , and art director of M2
query: SELECT count(*) WHERE {
  ?x0 a ns:film.producer .
  ?x0 ns:film.director.film M2 .
  ?x0 ns:film.editor.film M2 .
  ?x0 ns:film.film_art_director.films_art_directed M2 .
  ?x0 ns:people.person.nationality ns:m.0d05w3
  }