Who was influenced by M1 , M2 , M3 , M4 , M5 , and M6 and influenced by a art director
SELECT DISTINCT ?x0 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 .
?x0 ns:influence.influence_node.influenced_by M3 .
?x0 ns:influence.influence_node.influenced_by M4 .
?x0 ns:influence.influence_node.influenced_by M5 .
?x0 ns:influence.influence_node.influenced_by M6 .
?x1 a ns:film.film_art_director
}