Were M3 and M4 edited by , directed by , and produced by a Mexican person whose sibling produced M2
SELECT count(*) WHERE {
?x0 a ns:people.person .
?x0 ns:people.person.nationality ns:m.0b90_r .
?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 ns:film.producer.film|ns:film.production_company.films M2 .
FILTER ( ?x0 != ?x1 ) .
M3 ns:film.film.directed_by ?x0 .
M3 ns:film.film.edited_by ?x0 .
M3 ns:film.film.produced_by|ns:film.film.production_companies ?x0 .
M4 ns:film.film.directed_by ?x0 .
M4 ns:film.film.edited_by ?x0 .
M4 ns:film.film.produced_by|ns:film.film.production_companies ?x0
}