Was M2 produced by a German writer and art director of M0 and executive produced by M3
SELECT count(*) WHERE {
?x0 ns:film.film_art_director.films_art_directed M0 .
?x0 ns:film.writer.film M0 .
?x0 ns:people.person.nationality ns:m.0345h .
M2 ns:film.film.executive_produced_by M3 .
M2 ns:film.film.produced_by|ns:film.film.production_companies ?x0
}