Was a screenwriter a film director that M2 , M3 , and M4 were executive produced by and written by
SELECT count(*) WHERE {
?x0 a ns:film.director .
?x0 a ns:film.writer .
?x0 ns:film.producer.films_executive_produced M2 .
?x0 ns:film.producer.films_executive_produced M3 .
?x0 ns:film.producer.films_executive_produced M4 .
?x0 ns:film.writer.film M2 .
?x0 ns:film.writer.film M3 .
?x0 ns:film.writer.film M4
}