Was a screenwriter a British film director that edited , produced , and wrote M2
SELECT count(*) WHERE {
?x0 a ns:film.director .
?x0 a ns:film.writer .
?x0 ns:film.editor.film M2 .
?x0 ns:film.producer.film|ns:film.production_company.films M2 .
?x0 ns:film.writer.film M2 .
?x0 ns:people.person.nationality ns:m.07ssc
}