Were M2 , M4 , M5 , and M6 executive produced by a actor , written by a film director , and executive produced by M3
SELECT count(*) WHERE {
?x0 a ns:film.actor .
?x1 a ns:film.director .
M2 ns:film.film.executive_produced_by ?x0 .
M2 ns:film.film.executive_produced_by M3 .
M2 ns:film.film.written_by ?x1 .
M4 ns:film.film.executive_produced_by ?x0 .
M4 ns:film.film.executive_produced_by M3 .
M4 ns:film.film.written_by ?x1 .
M5 ns:film.film.executive_produced_by ?x0 .
M5 ns:film.film.executive_produced_by M3 .
M5 ns:film.film.written_by ?x1 .
M6 ns:film.film.executive_produced_by ?x0 .
M6 ns:film.film.executive_produced_by M3 .
M6 ns:film.film.written_by ?x1
}