Was M3 produced by a Mexican film producer 's male child and directed by M4
SELECT count(*) WHERE {
?x0 ns:people.person.gender ns:m.05zppz .
?x0 ns:people.person.parents|ns:fictional_universe.fictional_character.parents|ns:organization.organization.parent/ns:organization.organization_relationship.parent ?x1 .
?x1 a ns:film.producer .
?x1 ns:people.person.nationality ns:m.0b90_r .
M3 ns:film.film.directed_by M4 .
M3 ns:film.film.produced_by|ns:film.film.production_companies ?x0
}