Was a American German art director of M3 and M4 M0
SELECT count(*) WHERE {
M0 ns:film.film_art_director.films_art_directed M3 .
M0 ns:film.film_art_director.films_art_directed M4 .
M0 ns:people.person.nationality ns:m.0345h .
M0 ns:people.person.nationality ns:m.09c7w0
}