Was M0 's prequel executive produced by M1 and executive produced by M3 's Canadian cinematographer
SELECT count(*) WHERE {
?x0 ns:film.film.executive_produced_by ?x1 .
?x0 ns:film.film.executive_produced_by M1 .
?x0 ns:film.film.sequel M0 .
?x1 ns:film.cinematographer.film M3 .
?x1 ns:people.person.nationality ns:m.0d060g
}