Which Mexican film producer that M2 and M3 influenced was a American screenwriter
SELECT DISTINCT ?x0 WHERE {
?x0 a ns:film.producer .
?x0 a ns:film.writer .
?x0 ns:influence.influence_node.influenced_by M2 .
?x0 ns:influence.influence_node.influenced_by M3 .
?x0 ns:people.person.nationality ns:m.09c7w0 .
?x0 ns:people.person.nationality ns:m.0b90_r
}