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