question: Was M2 influenced by a Canadian star of a film
query: SELECT count(*) WHERE {
  ?x0 ns:film.actor.film/ns:film.performance.film ?x1 .
  ?x0 ns:people.person.nationality ns:m.0d060g .
  ?x1 a ns:film.film .
  M2 ns:influence.influence_node.influenced_by ?x0
  }