Did a art director influenced by M3 and M4 and influenced by M5 influence M1 and M2
SELECT count(*) WHERE {
?x0 a ns:film.film_art_director .
?x0 ns:influence.influence_node.influenced M1 .
?x0 ns:influence.influence_node.influenced M2 .
?x0 ns:influence.influence_node.influenced_by M3 .
?x0 ns:influence.influence_node.influenced_by M4 .
?x0 ns:influence.influence_node.influenced_by M5
}