Did M2 influence a film 's German star and influence M3 and M4
SELECT count(*) WHERE {
?x0 ns:film.actor.film/ns:film.performance.film ?x1 .
?x0 ns:people.person.nationality ns:m.0345h .
?x1 a ns:film.film .
M2 ns:influence.influence_node.influenced ?x0 .
M2 ns:influence.influence_node.influenced M3 .
M2 ns:influence.influence_node.influenced M4
}