Which art director and director of M1 was a film 's British director
SELECT DISTINCT ?x0 WHERE {
?x0 ns:film.director.film ?x1 .
?x0 ns:film.director.film M1 .
?x0 ns:film.film_art_director.films_art_directed M1 .
?x0 ns:people.person.nationality ns:m.07ssc .
?x1 a ns:film.film
}