question: Were M1 and M6 directed by M2 , M3 , and M4 , executive produced by a screenwriter , and directed by M5
query: SELECT count(*) WHERE {
  ?x0 a ns:film.writer .
  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.directed_by M5 .
  M1 ns:film.film.executive_produced_by ?x0 .
  M6 ns:film.film.directed_by M2 .
  M6 ns:film.film.directed_by M3 .
  M6 ns:film.film.directed_by M4 .
  M6 ns:film.film.directed_by M5 .
  M6 ns:film.film.executive_produced_by ?x0
  }