question: What prequel of M3 's prequel did M0 , M1 , and M2 edit
query: SELECT DISTINCT ?x0 WHERE {
  ?x0 ns:film.film.edited_by M0 .
  ?x0 ns:film.film.edited_by M1 .
  ?x0 ns:film.film.edited_by M2 .
  ?x0 ns:film.film.sequel ?x1 .
  ?x1 ns:film.film.sequel M3
  }