Was M3 written by M1 's Mexican sibling 's male parent
SELECT count(*) WHERE {
?x0 ns:people.person.children|ns:fictional_universe.fictional_character.children|ns:organization.organization.child/ns:organization.organization_relationship.child ?x1 .
?x0 ns:people.person.gender ns:m.05zppz .
?x1 ns:people.person.nationality ns:m.0b90_r .
?x1 ns:people.person.sibling_s/ns:people.sibling_relationship.sibling|ns:fictional_universe.fictional_character.siblings/ns:fictional_universe.sibling_relationship_of_fictional_characters.siblings M1 .
FILTER ( ?x1 != M1 ) .
M3 ns:film.film.written_by ?x0
}