question: Was a film 's prequel directed by M3 , M4 , and M5 , edited by M1 and M2 , and written by M0
query: SELECT count(*) WHERE {
  ?x0 ns:film.film.directed_by M3 .
  ?x0 ns:film.film.directed_by M4 .
  ?x0 ns:film.film.directed_by M5 .
  ?x0 ns:film.film.edited_by M1 .
  ?x0 ns:film.film.edited_by M2 .
  ?x0 ns:film.film.sequel ?x1 .
  ?x0 ns:film.film.written_by M0 .
  ?x1 a ns:film.film
  }