Was M1 's sequel edited by M0 and written by M2 's British founder
SELECT count(*) WHERE {
?x0 ns:film.film.edited_by M0 .
?x0 ns:film.film.prequel M1 .
?x0 ns:film.film.written_by ?x1 .
?x1 ns:organization.organization_founder.organizations_founded M2 .
?x1 ns:people.person.nationality ns:m.07ssc
}