question: What cinematographer was M2 's prequel 's British executive producer
query: SELECT DISTINCT ?x0 WHERE {
  ?x0 a ns:film.cinematographer .
  ?x0 ns:film.producer.films_executive_produced ?x1 .
  ?x0 ns:people.person.nationality ns:m.07ssc .
  ?x1 ns:film.film.sequel M2
  }