question: Were M2 and M5 executive produced by M3 , executive produced by M4 , and produced by a Japanese actor of M1
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.executive_produced_by M3 .
  M2 ns:film.film.executive_produced_by M4 .
  M2 ns:film.film.produced_by|ns:film.film.production_companies ?x0 .
  M5 ns:film.film.executive_produced_by M3 .
  M5 ns:film.film.executive_produced_by M4 .
  M5 ns:film.film.produced_by|ns:film.film.production_companies ?x0
  }