question: Was M2 's Japanese star a Chinese actor of M3
query: SELECT count(*) WHERE {
  ?x0 ns:film.actor.film/ns:film.performance.character M3 .
  ?x0 ns:film.actor.film/ns:film.performance.film M2 .
  ?x0 ns:people.person.nationality ns:m.03_3d .
  ?x0 ns:people.person.nationality ns:m.0d05w3
  }