Which screenwriter did a art director of M1 and M2 influence
SELECT DISTINCT ?x0 WHERE {
?x0 a ns:film.writer .
?x0 ns:influence.influence_node.influenced_by ?x1 .
?x1 ns:film.film_art_director.films_art_directed M1 .
?x1 ns:film.film_art_director.films_art_directed M2
}