Were M2 and M3 produced by a actor and directed by a film editor 's sibling
SELECT count(*) WHERE {
?x0 a ns:film.actor .
?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 ?x2 .
?x2 a ns:film.editor .
FILTER ( ?x1 != ?x2 ) .
M2 ns:film.film.directed_by ?x1 .
M2 ns:film.film.produced_by|ns:film.film.production_companies ?x0 .
M3 ns:film.film.directed_by ?x1 .
M3 ns:film.film.produced_by|ns:film.film.production_companies ?x0
}