Was M3 executive produced by a editor of M0 , M1 , and M2 and executive produced by M4
SELECT count(*) WHERE {
?x0 ns:film.editor.film M0 .
?x0 ns:film.editor.film M1 .
?x0 ns:film.editor.film M2 .
M3 ns:film.film.executive_produced_by ?x0 .
M3 ns:film.film.executive_produced_by M4
}