Was M1 edited by M2 and edited by M0 's prequel 's director and art director
SELECT count(*) WHERE {
?x0 ns:film.director.film ?x1 .
?x0 ns:film.film_art_director.films_art_directed ?x1 .
?x1 ns:film.film.sequel M0 .
M1 ns:film.film.edited_by ?x0 .
M1 ns:film.film.edited_by M2
}