Which executive producer of M1 , M2 , and M3 was M0 's Mexican writer
SELECT DISTINCT ?x0 WHERE {
?x0 ns:film.producer.films_executive_produced M1 .
?x0 ns:film.producer.films_executive_produced M2 .
?x0 ns:film.producer.films_executive_produced M3 .
?x0 ns:film.writer.film M0 .
?x0 ns:people.person.nationality ns:m.0b90_r
}