question: Was M2 executive produced by and produced by M1 's sequel 's British executive producer
query: SELECT count(*) WHERE {
  ?x0 ns:film.producer.films_executive_produced ?x1 .
  ?x0 ns:people.person.nationality ns:m.07ssc .
  ?x1 ns:film.film.prequel M1 .
  M2 ns:film.film.executive_produced_by ?x0 .
  M2 ns:film.film.produced_by|ns:film.film.production_companies ?x0
  }