What art director whose country of nationality employed M2 did M1 influence
SELECT DISTINCT ?x0 WHERE {
?x0 a ns:film.film_art_director .
?x0 ns:influence.influence_node.influenced_by M1 .
?x0 ns:people.person.nationality ?x1 .
?x1 ns:business.employer.employees/ns:business.employment_tenure.person M2
}