Was M3 influenced by a executive producer of M2 and influenced by a German editor of M1
SELECT count(*) WHERE {
?x0 ns:film.editor.film M1 .
?x0 ns:people.person.nationality ns:m.0345h .
?x1 ns:film.producer.films_executive_produced M2 .
M3 ns:influence.influence_node.influenced_by ?x0 .
M3 ns:influence.influence_node.influenced_by ?x1
}