question: Were M2 and M3 edited by a film 's costume designer and writer and produced by M0 's sibling
query: SELECT count(*) WHERE {
  ?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 ns:film.film_costumer_designer.costume_design_for_film ?x2 .
  ?x1 ns:film.writer.film ?x2 .
  ?x2 a ns:film.film .
  FILTER ( ?x0 != M0 ) .
  M2 ns:film.film.edited_by ?x1 .
  M2 ns:film.film.produced_by|ns:film.film.production_companies ?x0 .
  M3 ns:film.film.edited_by ?x1 .
  M3 ns:film.film.produced_by|ns:film.film.production_companies ?x0
  }