Did M2 write a film that was executive produced by and edited by M1 and direct M3
SELECT count(*) WHERE {
?x0 a ns:film.film .
?x0 ns:film.film.edited_by M1 .
?x0 ns:film.film.executive_produced_by M1 .
M2 ns:film.director.film M3 .
M2 ns:film.writer.film ?x0
}