Which screenwriter that wrote M1 and directed a film was M2 's art director
SELECT DISTINCT ?x0 WHERE {
?x0 a ns:film.writer .
?x0 ns:film.director.film ?x1 .
?x0 ns:film.film_art_director.films_art_directed M2 .
?x0 ns:film.writer.film M1 .
?x1 a ns:film.film
}