Was M2 produced and edited by M1 's prequel 's British writer
SELECT count(*) WHERE {
?x0 ns:film.writer.film ?x1 .
?x0 ns:people.person.nationality ns:m.07ssc .
?x1 ns:film.film.sequel M1 .
M2 ns:film.film.edited_by ?x0 .
M2 ns:film.film.produced_by|ns:film.film.production_companies ?x0
}