question: Was a Chinese actor that M3 , M4 , and M5 starred and M6 and M7 starred M0
query: SELECT count(*) WHERE {
  M0 a ns:film.actor .
  M0 ns:film.actor.film/ns:film.performance.film M3 .
  M0 ns:film.actor.film/ns:film.performance.film M4 .
  M0 ns:film.actor.film/ns:film.performance.film M5 .
  M0 ns:film.actor.film/ns:film.performance.film M6 .
  M0 ns:film.actor.film/ns:film.performance.film M7 .
  M0 ns:people.person.nationality ns:m.0d05w3
  }