Was M3 directed by a art director and written by a British character
SELECT count(*) WHERE {
?x0 a ns:fictional_universe.fictional_character .
?x0 ns:people.person.nationality ns:m.07ssc .
?x1 a ns:film.film_art_director .
M3 ns:film.film.directed_by ?x1 .
M3 ns:film.film.written_by ?x0
}