Who was a Canadian art director that M5 , M6 , and M7 were directed by and M2 and M3 were edited by
SELECT DISTINCT ?x0 WHERE {
?x0 a ns:film.film_art_director .
?x0 a ns:people.person .
?x0 ns:film.director.film M5 .
?x0 ns:film.director.film M6 .
?x0 ns:film.director.film M7 .
?x0 ns:film.editor.film M2 .
?x0 ns:film.editor.film M3 .
?x0 ns:people.person.nationality ns:m.0d060g
}