question: Did M0 's sibling influence a art director of M2 and M3 and marry M1
query: SELECT count(*) WHERE {
  ?x0 ns:influence.influence_node.influenced ?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 .
  ?x0 ns:people.person.spouse_s/ns:people.marriage.spouse|ns:fictional_universe.fictional_character.married_to/ns:fictional_universe.marriage_of_fictional_characters.spouses M1 .
  ?x1 ns:film.film_art_director.films_art_directed M2 .
  ?x1 ns:film.film_art_director.films_art_directed M3 .
  FILTER ( ?x0 != M0 ) .
  FILTER ( ?x0 != M1 )
  }