Did a cinematographer edit a film , executive produce M3 , and edit M1 and M2
SELECT count(*) WHERE {
?x0 a ns:film.cinematographer .
?x0 ns:film.editor.film ?x1 .
?x0 ns:film.editor.film M1 .
?x0 ns:film.editor.film M2 .
?x0 ns:film.producer.films_executive_produced M3 .
?x1 a ns:film.film
}