Was a person influenced by M1 , influenced by a art director , writer , and director of M3 , and influenced by M2
SELECT count(*) WHERE {
?x0 a ns:people.person .
?x0 ns:influence.influence_node.influenced_by ?x1 .
?x0 ns:influence.influence_node.influenced_by M1 .
?x0 ns:influence.influence_node.influenced_by M2 .
?x1 ns:film.director.film M3 .
?x1 ns:film.film_art_director.films_art_directed M3 .
?x1 ns:film.writer.film M3
}