What Canadian producer of M1 influenced M2 's director and writer
SELECT DISTINCT ?x0 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.director.film M2 .
?x1 ns:film.writer.film M2
}