Was a Mexican executive producer , star , and writer of M1 M0
SELECT count(*) WHERE {
M0 ns:film.actor.film/ns:film.performance.film M1 .
M0 ns:film.producer.films_executive_produced M1 .
M0 ns:film.writer.film M1 .
M0 ns:people.person.nationality ns:m.0b90_r
}