What costume designer that M1 , M2 , M3 , and M4 were influenced by was influenced by M5 and influenced by M6
SELECT DISTINCT ?x0 WHERE {
?x0 a ns:film.film_costumer_designer .
?x0 ns:influence.influence_node.influenced M1 .
?x0 ns:influence.influence_node.influenced M2 .
?x0 ns:influence.influence_node.influenced M3 .
?x0 ns:influence.influence_node.influenced M4 .
?x0 ns:influence.influence_node.influenced_by M5 .
?x0 ns:influence.influence_node.influenced_by M6
}