Were M3 and M4 directed and executive produced by a screenwriter that executive produced M1 and executive produced M2
SELECT count(*) WHERE {
?x0 a ns:film.writer .
?x0 ns:film.producer.films_executive_produced M1 .
?x0 ns:film.producer.films_executive_produced M2 .
M3 ns:film.film.directed_by ?x0 .
M3 ns:film.film.executive_produced_by ?x0 .
M4 ns:film.film.directed_by ?x0 .
M4 ns:film.film.executive_produced_by ?x0
}