Was M0 a screenwriter that executive produced M2 and M3 and executive produced M4 and M5
SELECT count(*) WHERE {
M0 a ns:film.writer .
M0 ns:film.producer.films_executive_produced M2 .
M0 ns:film.producer.films_executive_produced M3 .
M0 ns:film.producer.films_executive_produced M4 .
M0 ns:film.producer.films_executive_produced M5
}