Were M1 , M2 , and M3 executive produced by a film 's cinematographer , writer , director , and editor
SELECT count(*) WHERE {
?x0 ns:film.cinematographer.film ?x1 .
?x0 ns:film.director.film ?x1 .
?x0 ns:film.editor.film ?x1 .
?x0 ns:film.writer.film ?x1 .
?x1 a ns:film.film .
M1 ns:film.film.executive_produced_by ?x0 .
M2 ns:film.film.executive_produced_by ?x0 .
M3 ns:film.film.executive_produced_by ?x0
}