Was M2 a Mexican female film producer whose sibling played M0 and played M1
SELECT count(*) WHERE {
?x0 ns:film.actor.film/ns:film.performance.character M0 .
?x0 ns:film.actor.film/ns:film.performance.character M1 .
FILTER ( M2 != ?x0 ) .
M2 a ns:film.producer .
M2 ns:people.person.gender ns:m.02zsn .
M2 ns:people.person.nationality ns:m.0b90_r .
M2 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 ?x0
}