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