Did a film editor write M1 , M2 , M3 , M4 , and M5
SELECT count(*) WHERE {
?x0 a ns:film.editor .
?x0 ns:film.writer.film M1 .
?x0 ns:film.writer.film M2 .
?x0 ns:film.writer.film M3 .
?x0 ns:film.writer.film M4 .
?x0 ns:film.writer.film M5
}