question: Was a child of a film director a German sibling of M0
query: SELECT count(*) WHERE {
  ?x0 ns:people.person.nationality ns:m.0345h .
  ?x0 ns:people.person.parents|ns:fictional_universe.fictional_character.parents|ns:organization.organization.parent/ns:organization.organization_relationship.parent ?x1 .
  ?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 M0 .
  ?x1 a ns:film.director .
  FILTER ( ?x0 != M0 )
  }