Did a film editor play M1 , M2 , and M3 , play M4 , and play M5 and M6
SELECT count(*) WHERE {
?x0 a ns:film.editor .
?x0 ns:film.actor.film/ns:film.performance.character M1 .
?x0 ns:film.actor.film/ns:film.performance.character M2 .
?x0 ns:film.actor.film/ns:film.performance.character M3 .
?x0 ns:film.actor.film/ns:film.performance.character M4 .
?x0 ns:film.actor.film/ns:film.performance.character M5 .
?x0 ns:film.actor.film/ns:film.performance.character M6
}