Did M2 write M3 and M4 and edit a film whose writer , cinematographer , and editor directed M1
SELECT count(*) WHERE {
?x0 a ns:film.film .
?x0 ns:film.film.cinematography ?x1 .
?x0 ns:film.film.edited_by ?x1 .
?x0 ns:film.film.written_by ?x1 .
?x1 ns:film.director.film M1 .
M2 ns:film.editor.film ?x0 .
M2 ns:film.writer.film M3 .
M2 ns:film.writer.film M4
}