Was M0 's prequel directed by and written by M1 's art director and writer
SELECT count(*) WHERE {
?x0 ns:film.film.directed_by ?x1 .
?x0 ns:film.film.sequel M0 .
?x0 ns:film.film.written_by ?x1 .
?x1 ns:film.film_art_director.films_art_directed M1 .
?x1 ns:film.writer.film M1
}