Did M2 star M3 , star M1 's star and director , and star a sibling of a character
SELECT count(*) WHERE {
?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:fictional_universe.fictional_character .
?x2 ns:film.actor.film/ns:film.performance.film M1 .
?x2 ns:film.director.film M1 .
FILTER ( ?x0 != ?x1 ) .
M2 ns:film.film.starring/ns:film.performance.actor ?x0 .
M2 ns:film.film.starring/ns:film.performance.actor ?x2 .
M2 ns:film.film.starring/ns:film.performance.actor M3
}