Was M0 a film editor that M2 and M3 were edited by and M4 and M5 starred
SELECT count(*) WHERE {
M0 a ns:film.editor .
M0 ns:film.actor.film/ns:film.performance.film M4 .
M0 ns:film.actor.film/ns:film.performance.film M5 .
M0 ns:film.editor.film M2 .
M0 ns:film.editor.film M3
}