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