Was M0 's writer and executive producer a British cinematographer of M2 and M3
SELECT count(*) WHERE {
?x0 ns:film.cinematographer.film M2 .
?x0 ns:film.cinematographer.film M3 .
?x0 ns:film.producer.films_executive_produced M0 .
?x0 ns:film.writer.film M0 .
?x0 ns:people.person.nationality ns:m.07ssc
}