Did M2 's star 's sibling direct M0 and M1 and direct a sequel of M3
SELECT count(*) WHERE {
?x0 ns:film.director.film ?x1 .
?x0 ns:film.director.film M0 .
?x0 ns:film.director.film M1 .
?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 ?x2 .
?x1 ns:film.film.prequel M3 .
?x2 ns:film.actor.film/ns:film.performance.film M2 .
FILTER ( ?x0 != ?x2 )
}