Was M2 founded by a cinematographer and editor of M0 and M1
SELECT count(*) WHERE {
?x0 ns:film.cinematographer.film M0 .
?x0 ns:film.cinematographer.film M1 .
?x0 ns:film.editor.film M0 .
?x0 ns:film.editor.film M1 .
M2 ns:organization.organization.founders ?x0
}