Was M3 M0 's American German writer 's country of nationality
SELECT count(*) WHERE {
?x0 ns:film.writer.film M0 .
?x0 ns:people.person.nationality ns:m.0345h .
?x0 ns:people.person.nationality ns:m.09c7w0 .
M3 ^ns:people.person.nationality ?x0
}