Did M1 's Canadian producer influence M2 's producer
SELECT count(*) WHERE {
?x0 ns:film.producer.film|ns:film.production_company.films M1 .
?x0 ns:influence.influence_node.influenced ?x1 .
?x0 ns:people.person.nationality ns:m.0d060g .
?x1 ns:film.producer.film|ns:film.production_company.films M2
}