Was a film whose executive producer executive produced M2 and wrote M0 and M1 M3
SELECT count(*) WHERE {
?x0 ns:film.producer.films_executive_produced M2 .
?x0 ns:film.writer.film M0 .
?x0 ns:film.writer.film M1 .
M3 a ns:film.film .
M3 ns:film.film.executive_produced_by ?x0
}