Were M4 , M5 , and M6 edited by a film editor and executive produced by a editor of M0 , M1 , and M2
SELECT count(*) WHERE {
?x0 ns:film.editor.film M0 .
?x0 ns:film.editor.film M1 .
?x0 ns:film.editor.film M2 .
?x1 a ns:film.editor .
M4 ns:film.film.edited_by ?x1 .
M4 ns:film.film.executive_produced_by ?x0 .
M5 ns:film.film.edited_by ?x1 .
M5 ns:film.film.executive_produced_by ?x0 .
M6 ns:film.film.edited_by ?x1 .
M6 ns:film.film.executive_produced_by ?x0
}