question: Was M0 's prequel written by M1 and M2 , edited by M4 and M5 , and written by M3
query: SELECT count(*) WHERE {
  ?x0 ns:film.film.edited_by M4 .
  ?x0 ns:film.film.edited_by M5 .
  ?x0 ns:film.film.sequel M0 .
  ?x0 ns:film.film.written_by M1 .
  ?x0 ns:film.film.written_by M2 .
  ?x0 ns:film.film.written_by M3
  }