Was a male star of M0 and M1 a Mexican film producer 's sibling
SELECT count(*) WHERE {
?x0 ns:film.actor.film/ns:film.performance.film M0 .
?x0 ns:film.actor.film/ns:film.performance.film M1 .
?x0 ns:people.person.gender ns:m.05zppz .
?x0 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 ?x1 .
?x1 a ns:film.producer .
?x1 ns:people.person.nationality ns:m.0b90_r .
FILTER ( ?x0 != ?x1 )
}