Did M0 's German writer produce M2 and M3 and produce M4
SELECT count(*) WHERE {
?x0 ns:film.producer.film|ns:film.production_company.films M2 .
?x0 ns:film.producer.film|ns:film.production_company.films M3 .
?x0 ns:film.producer.film|ns:film.production_company.films M4 .
?x0 ns:film.writer.film M0 .
?x0 ns:people.person.nationality ns:m.0345h
}