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