question: Were M3 , M4 , and M5 directed by a film producer , edited by M1 's sibling , and edited by a screenwriter
query: SELECT count(*) WHERE {
  ?x0 a ns:film.writer .
  ?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 .
  ?x2 a ns:film.producer .
  FILTER ( ?x1 != M1 ) .
  M3 ns:film.film.directed_by ?x2 .
  M3 ns:film.film.edited_by ?x0 .
  M3 ns:film.film.edited_by ?x1 .
  M4 ns:film.film.directed_by ?x2 .
  M4 ns:film.film.edited_by ?x0 .
  M4 ns:film.film.edited_by ?x1 .
  M5 ns:film.film.directed_by ?x2 .
  M5 ns:film.film.edited_by ?x0 .
  M5 ns:film.film.edited_by ?x1
  }