question: Was a film that was executive produced by M1 and M2 edited and directed by M3
query: SELECT count(*) WHERE {
  ?x0 a ns:film.film .
  ?x0 ns:film.film.directed_by M3 .
  ?x0 ns:film.film.edited_by M3 .
  ?x0 ns:film.film.executive_produced_by M1 .
  ?x0 ns:film.film.executive_produced_by M2
  }