question: What cinematographer that M3 employed was a Canadian film producer that executive produced M2 and produced M5
query: SELECT DISTINCT ?x0 WHERE {
  ?x0 a ns:film.cinematographer .
  ?x0 a ns:film.producer .
  ?x0 ns:film.producer.films_executive_produced M2 .
  ?x0 ns:film.producer.film|ns:film.production_company.films M5 .
  ?x0 ns:people.person.employment_history/ns:business.employment_tenure.company M3 .
  ?x0 ns:people.person.nationality ns:m.0d060g
  }