question: Was M2 edited by a Spanish film producer , directed by M4 , M5 , and M6 , and edited by M3
query: SELECT count(*) WHERE {
  ?x0 a ns:film.producer .
  ?x0 ns:people.person.nationality ns:m.06mkj .
  M2 ns:film.film.directed_by M4 .
  M2 ns:film.film.directed_by M5 .
  M2 ns:film.film.directed_by M6 .
  M2 ns:film.film.edited_by ?x0 .
  M2 ns:film.film.edited_by M3
  }