Were M1 and M4 executive produced by M2 , edited by a star of M0 , and executive produced by M3
SELECT count(*) WHERE {
?x0 ns:film.actor.film/ns:film.performance.film M0 .
M1 ns:film.film.edited_by ?x0 .
M1 ns:film.film.executive_produced_by M2 .
M1 ns:film.film.executive_produced_by M3 .
M4 ns:film.film.edited_by ?x0 .
M4 ns:film.film.executive_produced_by M2 .
M4 ns:film.film.executive_produced_by M3
}