question: Did M6 's Chinese actor executive produce M0 and M1 and executive produce M2 , M3 , and M4
query: SELECT count(*) WHERE {
  ?x0 ns:film.actor.film/ns:film.performance.character M6 .
  ?x0 ns:film.producer.films_executive_produced M0 .
  ?x0 ns:film.producer.films_executive_produced M1 .
  ?x0 ns:film.producer.films_executive_produced M2 .
  ?x0 ns:film.producer.films_executive_produced M3 .
  ?x0 ns:film.producer.films_executive_produced M4 .
  ?x0 ns:people.person.nationality ns:m.0d05w3
  }