Did M3 employ a Canadian actor that M1 influenced
SELECT count(*) WHERE {
?x0 a ns:film.actor .
?x0 ns:influence.influence_node.influenced_by M1 .
?x0 ns:people.person.nationality ns:m.0d060g .
M3 ns:business.employer.employees/ns:business.employment_tenure.person ?x0
}