question: Were M2 and M3 directed by M1 's Dutch star 's Dutch sibling
query: SELECT count(*) WHERE {
  ?x0 ns:people.person.nationality ns:m.059j2 .
  ?x0 ns:people.person.sibling_s/ns:people.sibling_relationship.sibling|ns:fictional_universe.fictional_character.siblings/ns:fictional_universe.sibling_relationship_of_fictional_characters.siblings ?x1 .
  ?x1 ns:film.actor.film/ns:film.performance.film M1 .
  ?x1 ns:people.person.nationality ns:m.059j2 .
  FILTER ( ?x0 != ?x1 ) .
  M2 ns:film.film.directed_by ?x0 .
  M3 ns:film.film.directed_by ?x0
  }