Was M3 directed by M1 's female sibling and directed by a writer of M0
SELECT count(*) WHERE {
?x0 ns:film.writer.film M0 .
?x1 ns:people.person.gender ns:m.02zsn .
?x1 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 M1 .
FILTER ( ?x1 != M1 ) .
M3 ns:film.film.directed_by ?x0 .
M3 ns:film.film.directed_by ?x1
}