question: Were M2 and M5 executive produced by M3 and M4 , produced by a film distributor , and edited by a sibling of M1
query: SELECT count(*) WHERE {
  ?x0 a ns:film.film_distributor .
  ?x1 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 M1 .
  FILTER ( ?x1 != M1 ) .
  M2 ns:film.film.edited_by ?x1 .
  M2 ns:film.film.executive_produced_by M3 .
  M2 ns:film.film.executive_produced_by M4 .
  M2 ns:film.film.produced_by|ns:film.film.production_companies ?x0 .
  M5 ns:film.film.edited_by ?x1 .
  M5 ns:film.film.executive_produced_by M3 .
  M5 ns:film.film.executive_produced_by M4 .
  M5 ns:film.film.produced_by|ns:film.film.production_companies ?x0
  }