Was a Mexican person that a person influenced , M3 influenced , and a costume designer influenced M2
SELECT count(*) WHERE {
?x0 a ns:film.film_costumer_designer .
?x1 a ns:people.person .
M2 a ns:people.person .
M2 ns:influence.influence_node.influenced_by ?x0 .
M2 ns:influence.influence_node.influenced_by ?x1 .
M2 ns:influence.influence_node.influenced_by M3 .
M2 ns:people.person.nationality ns:m.0b90_r
}