Was M3 a employer of M2 's Canadian British director
SELECT count(*) WHERE {
?x0 ns:film.director.film M2 .
?x0 ns:people.person.nationality ns:m.07ssc .
?x0 ns:people.person.nationality ns:m.0d060g .
M3 ns:business.employer.employees/ns:business.employment_tenure.person ?x0
}