question: Were M1 and M3 produced by a sibling of M0 's star , producer , and writer and distributed by M2
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 ?x1 .
  ?x1 ns:film.actor.film/ns:film.performance.film M0 .
  ?x1 ns:film.producer.film|ns:film.production_company.films M0 .
  ?x1 ns:film.writer.film M0 .
  FILTER ( ?x0 != ?x1 ) .
  M1 ns:film.film.distributors/ns:film.film_film_distributor_relationship.distributor M2 .
  M1 ns:film.film.produced_by|ns:film.film.production_companies ?x0 .
  M3 ns:film.film.distributors/ns:film.film_film_distributor_relationship.distributor M2 .
  M3 ns:film.film.produced_by|ns:film.film.production_companies ?x0
  }