Was M2 edited by a screenwriter 's sibling and directed by M1 's writer , star , and editor
SELECT count(*) WHERE {
?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 ?x1 .
?x1 a ns:film.writer .
?x2 ns:film.actor.film/ns:film.performance.film M1 .
?x2 ns:film.editor.film M1 .
?x2 ns:film.writer.film M1 .
FILTER ( ?x0 != ?x1 ) .
M2 ns:film.film.directed_by ?x2 .
M2 ns:film.film.edited_by ?x0
}