Were M2 and M4 written by M3 , edited by M1 's writer and editor , and executive produced by a actor
SELECT count(*) WHERE {
?x0 a ns:film.actor .
?x1 ns:film.editor.film M1 .
?x1 ns:film.writer.film M1 .
M2 ns:film.film.edited_by ?x1 .
M2 ns:film.film.executive_produced_by ?x0 .
M2 ns:film.film.written_by M3 .
M4 ns:film.film.edited_by ?x1 .
M4 ns:film.film.executive_produced_by ?x0 .
M4 ns:film.film.written_by M3
}