Was a British person that wrote M2 and M3 , wrote M4 , and executive produced M5 M0
SELECT count(*) WHERE {
M0 a ns:people.person .
M0 ns:film.producer.films_executive_produced M5 .
M0 ns:film.writer.film M2 .
M0 ns:film.writer.film M3 .
M0 ns:film.writer.film M4 .
M0 ns:people.person.nationality ns:m.07ssc
}