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