Were M2 and M4 executive produced by M1 's star and writer , directed by M3 , and executive produced by a actor
SELECT count(*) WHERE {
?x0 a ns:film.actor .
?x1 ns:film.actor.film/ns:film.performance.film M1 .
?x1 ns:film.writer.film M1 .
M2 ns:film.film.directed_by M3 .
M2 ns:film.film.executive_produced_by ?x0 .
M2 ns:film.film.executive_produced_by ?x1 .
M4 ns:film.film.directed_by M3 .
M4 ns:film.film.executive_produced_by ?x0 .
M4 ns:film.film.executive_produced_by ?x1
}