Was a Mexican Spanish male writer of M1 , M2 , and M3 M0
SELECT count(*) WHERE {
M0 ns:film.writer.film M1 .
M0 ns:film.writer.film M2 .
M0 ns:film.writer.film M3 .
M0 ns:people.person.gender ns:m.05zppz .
M0 ns:people.person.nationality ns:m.06mkj .
M0 ns:people.person.nationality ns:m.0b90_r
}