Was a prequel of M0 directed by M3 's employee , directed by M1 , and directed by a art director
SELECT count(*) WHERE {
?x0 ns:film.film.directed_by ?x1 .
?x0 ns:film.film.directed_by ?x2 .
?x0 ns:film.film.directed_by M1 .
?x0 ns:film.film.sequel M0 .
?x1 a ns:film.film_art_director .
?x2 ns:people.person.employment_history/ns:business.employment_tenure.company M3
}