question: Did a Japanese actor of M5 , M6 , and M7 write M0 , M1 , M2 , and M3
query: SELECT count(*) WHERE {
  ?x0 ns:film.actor.film/ns:film.performance.character M5 .
  ?x0 ns:film.actor.film/ns:film.performance.character M6 .
  ?x0 ns:film.actor.film/ns:film.performance.character M7 .
  ?x0 ns:film.writer.film M0 .
  ?x0 ns:film.writer.film M1 .
  ?x0 ns:film.writer.film M2 .
  ?x0 ns:film.writer.film M3 .
  ?x0 ns:people.person.nationality ns:m.03_3d
  }