question: Were M1 and M5 directed by M2 and M3 , executive produced by a film director , and directed by M4
query: SELECT count(*) WHERE {
  ?x0 a ns:film.director .
  M1 ns:film.film.directed_by M2 .
  M1 ns:film.film.directed_by M3 .
  M1 ns:film.film.directed_by M4 .
  M1 ns:film.film.executive_produced_by ?x0 .
  M5 ns:film.film.directed_by M2 .
  M5 ns:film.film.directed_by M3 .
  M5 ns:film.film.directed_by M4 .
  M5 ns:film.film.executive_produced_by ?x0
  }