What film directed by M4 's director and written by M1 did a Italian film director 's sibling write
SELECT DISTINCT ?x0 WHERE {
?x0 a ns:film.film .
?x0 ns:film.film.directed_by ?x1 .
?x0 ns:film.film.written_by ?x2 .
?x0 ns:film.film.written_by M1 .
?x1 ns:film.director.film M4 .
?x2 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 ?x3 .
?x3 a ns:film.director .
?x3 ns:people.person.nationality ns:m.03rjj .
FILTER ( ?x2 != ?x3 )
}