question: Which sibling of M0 was a male parent of a costume designer
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 ?x1 .
  ?x0 ns:people.person.gender ns:m.05zppz .
  ?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.film_costumer_designer .
  FILTER ( ?x0 != M0 )
  }