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