question: Was a Canadian cinematographer M3 's British male producer
query: SELECT count(*) WHERE {
  ?x0 a ns:film.cinematographer .
  ?x0 ns:film.producer.film|ns:film.production_company.films M3 .
  ?x0 ns:people.person.gender ns:m.05zppz .
  ?x0 ns:people.person.nationality ns:m.07ssc .
  ?x0 ns:people.person.nationality ns:m.0d060g
  }