Was M1 's sequel 's German star 's gender M2
SELECT count(*) WHERE {
?x0 ns:film.actor.film/ns:film.performance.film ?x1 .
?x0 ns:people.person.nationality ns:m.0345h .
?x1 ns:film.film.prequel M1 .
M2 ^ns:people.person.gender ?x0
}