question: Were M2 , M4 , M5 , and M6 directed by M1 's editor , produced by a film producer , and edited by M3
query: SELECT count(*) WHERE {
  ?x0 a ns:film.producer .
  ?x1 ns:film.editor.film M1 .
  M2 ns:film.film.directed_by ?x1 .
  M2 ns:film.film.edited_by M3 .
  M2 ns:film.film.produced_by|ns:film.film.production_companies ?x0 .
  M4 ns:film.film.directed_by ?x1 .
  M4 ns:film.film.edited_by M3 .
  M4 ns:film.film.produced_by|ns:film.film.production_companies ?x0 .
  M5 ns:film.film.directed_by ?x1 .
  M5 ns:film.film.edited_by M3 .
  M5 ns:film.film.produced_by|ns:film.film.production_companies ?x0 .
  M6 ns:film.film.directed_by ?x1 .
  M6 ns:film.film.edited_by M3 .
  M6 ns:film.film.produced_by|ns:film.film.production_companies ?x0
  }