Was a film director that directed M2 , directed M3 and M4 , and edited M1 a cinematographer
SELECT count(*) WHERE {
?x0 a ns:film.cinematographer .
?x0 ns:film.director.film M2 .
?x0 ns:film.director.film M3 .
?x0 ns:film.director.film M4 .
?x0 ns:film.editor.film M1
}