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