Was M3 influenced by M4 , influenced by M0 's producer , and influenced by a Canadian film director
SELECT count(*) WHERE {
?x0 ns:film.producer.film|ns:film.production_company.films M0 .
?x1 a ns:film.director .
?x1 ns:people.person.nationality ns:m.0d060g .
M3 ns:influence.influence_node.influenced_by ?x0 .
M3 ns:influence.influence_node.influenced_by ?x1 .
M3 ns:influence.influence_node.influenced_by M4
}