question: Was a Dutch director of M2 and M3 M1 's cinematographer
query: SELECT count(*) WHERE {
  ?x0 ns:film.cinematographer.film M1 .
  ?x0 ns:film.director.film M2 .
  ?x0 ns:film.director.film M3 .
  ?x0 ns:people.person.nationality ns:m.059j2
  }