Who did a American star of M2 and M3 influence
SELECT DISTINCT ?x0 WHERE {
?x0 a ns:people.person .
?x0 ns:influence.influence_node.influenced_by ?x1 .
?x1 ns:film.actor.film/ns:film.performance.film M2 .
?x1 ns:film.actor.film/ns:film.performance.film M3 .
?x1 ns:people.person.nationality ns:m.09c7w0
}