Was M2 executive produced by and written by a German executive producer of M0
SELECT count(*) WHERE {
?x0 ns:film.producer.films_executive_produced M0 .
?x0 ns:people.person.nationality ns:m.0345h .
M2 ns:film.film.executive_produced_by ?x0 .
M2 ns:film.film.written_by ?x0
}