Did a Canadian screenwriter executive produce M1 , M2 , M3 , and M4 and direct M6 , M7 , and M8
SELECT count(*) WHERE {
?x0 a ns:film.writer .
?x0 ns:film.director.film M6 .
?x0 ns:film.director.film M7 .
?x0 ns:film.director.film M8 .
?x0 ns:film.producer.films_executive_produced M1 .
?x0 ns:film.producer.films_executive_produced M2 .
?x0 ns:film.producer.films_executive_produced M3 .
?x0 ns:film.producer.films_executive_produced M4 .
?x0 ns:people.person.nationality ns:m.0d060g
}