Was M4 a costume designer whose sibling edited M0 , M1 , and M2 and edited a sequel of M3
SELECT count(*) WHERE {
?x0 ns:film.editor.film ?x1 .
?x0 ns:film.editor.film M0 .
?x0 ns:film.editor.film M1 .
?x0 ns:film.editor.film M2 .
?x1 ns:film.film.prequel M3 .
FILTER ( M4 != ?x0 ) .
M4 a ns:film.film_costumer_designer .
M4 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
}