What French person was M3 's prequel 's German producer
SELECT DISTINCT ?x0 WHERE {
?x0 a ns:people.person .
?x0 ns:film.producer.film|ns:film.production_company.films ?x1 .
?x0 ns:people.person.nationality ns:m.0345h .
?x0 ns:people.person.nationality ns:m.0f8l9c .
?x1 ns:film.film.sequel M3
}