question: Was a director of M5 and M6 a Japanese cinematographer of M1 , M2 , M3 , and M4
query: SELECT count(*) WHERE {
  ?x0 ns:film.cinematographer.film M1 .
  ?x0 ns:film.cinematographer.film M2 .
  ?x0 ns:film.cinematographer.film M3 .
  ?x0 ns:film.cinematographer.film M4 .
  ?x0 ns:film.director.film M5 .
  ?x0 ns:film.director.film M6 .
  ?x0 ns:people.person.nationality ns:m.03_3d
  }