Were M3 and M4 executive produced by M0 's writer and edited by a German person
SELECT count(*) WHERE {
?x0 ns:film.writer.film M0 .
?x1 a ns:people.person .
?x1 ns:people.person.nationality ns:m.0345h .
M3 ns:film.film.edited_by ?x1 .
M3 ns:film.film.executive_produced_by ?x0 .
M4 ns:film.film.edited_by ?x1 .
M4 ns:film.film.executive_produced_by ?x0
}