Was M1 's prequel 's male director 's sibling M2
SELECT count(*) WHERE {
?x0 ns:film.director.film ?x1 .
?x0 ns:people.person.gender ns:m.05zppz .
?x1 ns:film.film.sequel M1 .
FILTER ( M2 != ?x0 ) .
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
}