question: Was M2 executive produced by M1 's Japanese actor and directed by M3 , M4 , M5 , and M6
query: SELECT count(*) WHERE {
  ?x0 ns:film.actor.film/ns:film.performance.character M1 .
  ?x0 ns:people.person.nationality ns:m.03_3d .
  M2 ns:film.film.directed_by M3 .
  M2 ns:film.film.directed_by M4 .
  M2 ns:film.film.directed_by M5 .
  M2 ns:film.film.directed_by M6 .
  M2 ns:film.film.executive_produced_by ?x0
  }