question: What parent of M2 was a British Dutch child of M3
query: SELECT DISTINCT ?x0 WHERE {
  ?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 .
  ?x0 ns:people.person.nationality ns:m.07ssc .
  ?x0 ns:people.person.parents|ns:fictional_universe.fictional_character.parents|ns:organization.organization.parent/ns:organization.organization_relationship.parent M3
  }