Did M1 direct M3 and M4 , executive produce M2 , and direct M0 's prequel
SELECT count(*) WHERE {
?x0 ns:film.film.sequel M0 .
M1 ns:film.director.film ?x0 .
M1 ns:film.director.film M3 .
M1 ns:film.director.film M4 .
M1 ns:film.producer.films_executive_produced M2
}