What did a film editor edit and a art director of M1 direct
SELECT DISTINCT ?x0 WHERE {
?x0 ns:film.film.directed_by ?x1 .
?x0 ns:film.film.edited_by ?x2 .
?x1 ns:film.film_art_director.films_art_directed M1 .
?x2 a ns:film.editor
}