Did M1 's art director 's sibling write M0 and edit a film
SELECT count(*) WHERE {
?x0 ns:film.editor.film ?x1 .
?x0 ns:film.writer.film M0 .
?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 a ns:film.film .
?x2 ns:film.film_art_director.films_art_directed M1 .
FILTER ( ?x0 != ?x2 )
}