question: What Canadian producer of M2 influenced M0 and was influenced by a cinematographer
query: SELECT DISTINCT ?x0 WHERE {
  ?x0 ns:film.producer.film|ns:film.production_company.films M2 .
  ?x0 ns:influence.influence_node.influenced M0 .
  ?x0 ns:influence.influence_node.influenced_by ?x1 .
  ?x0 ns:people.person.nationality ns:m.0d060g .
  ?x1 a ns:film.cinematographer
  }