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