Did M2 star a Canadian actor 's employer 's founder and star M3 and M4
SELECT count(*) WHERE {
?x0 ns:organization.organization_founder.organizations_founded ?x1 .
?x1 ns:business.employer.employees/ns:business.employment_tenure.person ?x2 .
?x2 a ns:film.actor .
?x2 ns:people.person.nationality ns:m.0d060g .
M2 ns:film.film.starring/ns:film.performance.actor ?x0 .
M2 ns:film.film.starring/ns:film.performance.actor M3 .
M2 ns:film.film.starring/ns:film.performance.actor M4
}