Was M0 a British female screenwriter that M2 was executive produced by and written by
SELECT count(*) WHERE {
M0 a ns:film.writer .
M0 ns:film.producer.films_executive_produced M2 .
M0 ns:film.writer.film M2 .
M0 ns:people.person.gender ns:m.02zsn .
M0 ns:people.person.nationality ns:m.07ssc
}