question: Did a film edited by M2 , directed by M3 , and executive produced by a actor star M1
query: SELECT count(*) WHERE {
  ?x0 a ns:film.film .
  ?x0 ns:film.film.directed_by M3 .
  ?x0 ns:film.film.edited_by M2 .
  ?x0 ns:film.film.executive_produced_by ?x1 .
  ?x0 ns:film.film.starring/ns:film.performance.actor M1 .
  ?x1 a ns:film.actor
  }