question: Was a prequel of a prequel of M2 edited by and directed by M0 and M1
query: SELECT count(*) WHERE {
  ?x0 ns:film.film.directed_by M0 .
  ?x0 ns:film.film.directed_by M1 .
  ?x0 ns:film.film.edited_by M0 .
  ?x0 ns:film.film.edited_by M1 .
  ?x0 ns:film.film.sequel ?x1 .
  ?x1 ns:film.film.sequel M2
  }