question: What Dutch actor whose child directed M3 and M4 was M2 's parent
query: SELECT DISTINCT ?x0 WHERE {
  ?x0 a ns:film.actor .
  ?x0 ns:people.person.children|ns:fictional_universe.fictional_character.children|ns:organization.organization.child/ns:organization.organization_relationship.child ?x1 .
  ?x0 ns:people.person.children|ns:fictional_universe.fictional_character.children|ns:organization.organization.child/ns:organization.organization_relationship.child M2 .
  ?x0 ns:people.person.nationality ns:m.059j2 .
  ?x1 ns:film.director.film M3 .
  ?x1 ns:film.director.film M4
  }