Did a costume designer edit M1 and M2 and edit M3 , M4 , M5 , M6 , and M7
SELECT count(*) WHERE {
?x0 a ns:film.film_costumer_designer .
?x0 ns:film.editor.film M1 .
?x0 ns:film.editor.film M2 .
?x0 ns:film.editor.film M3 .
?x0 ns:film.editor.film M4 .
?x0 ns:film.editor.film M5 .
?x0 ns:film.editor.film M6 .
?x0 ns:film.editor.film M7
}