Did a German actor of M1 influence M2 's editor
SELECT count(*) WHERE {
?x0 ns:film.actor.film/ns:film.performance.character M1 .
?x0 ns:influence.influence_node.influenced ?x1 .
?x0 ns:people.person.nationality ns:m.0345h .
?x1 ns:film.editor.film M2
}