What Mexican screenwriter did M1 , M2 , M3 , and M4 influence
SELECT DISTINCT ?x0 WHERE {
?x0 a ns:film.writer .
?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:people.person.nationality ns:m.0b90_r
}