Was a film director influenced by a art director and influenced by M1 's editor
SELECT count(*) WHERE {
?x0 a ns:film.director .
?x0 ns:influence.influence_node.influenced_by ?x1 .
?x0 ns:influence.influence_node.influenced_by ?x2 .
?x1 ns:film.editor.film M1 .
?x2 a ns:film.film_art_director
}