What did a Canadian director of M1 and M2 produce and write
SELECT DISTINCT ?x0 WHERE {
?x0 ns:film.film.produced_by|ns:film.film.production_companies ?x1 .
?x0 ns:film.film.written_by ?x1 .
?x1 ns:film.director.film M1 .
?x1 ns:film.director.film M2 .
?x1 ns:people.person.nationality ns:m.0d060g
}