question: Was M2 edited by M5 and M6 , executive produced by a Japanese actor , and written by M3 and M4
query: SELECT count(*) WHERE {
  ?x0 a ns:film.actor .
  ?x0 ns:people.person.nationality ns:m.03_3d .
  M2 ns:film.film.edited_by M5 .
  M2 ns:film.film.edited_by M6 .
  M2 ns:film.film.executive_produced_by ?x0 .
  M2 ns:film.film.written_by M3 .
  M2 ns:film.film.written_by M4
  }