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