question: Was M4 produced by a Japanese editor and director of M1 , M2 , and M3
query: SELECT count(*) WHERE {
  ?x0 ns:film.director.film M1 .
  ?x0 ns:film.director.film M2 .
  ?x0 ns:film.director.film M3 .
  ?x0 ns:film.editor.film M1 .
  ?x0 ns:film.editor.film M2 .
  ?x0 ns:film.editor.film M3 .
  ?x0 ns:people.person.nationality ns:m.03_3d .
  M4 ns:film.film.produced_by|ns:film.film.production_companies ?x0
  }