Did M3 star M2 's Swedish actor and star M0 's editor
SELECT count(*) WHERE {
?x0 ns:film.editor.film M0 .
?x1 ns:film.actor.film/ns:film.performance.character M2 .
?x1 ns:people.person.nationality ns:m.0d0vqn .
M3 ns:film.film.starring/ns:film.performance.actor ?x0 .
M3 ns:film.film.starring/ns:film.performance.actor ?x1
}