Did M4 , M6 , and M7 direct M5 and direct a film that M1 , M2 , and M3 directed
SELECT count(*) WHERE {
?x0 a ns:film.film .
?x0 ns:film.film.directed_by M1 .
?x0 ns:film.film.directed_by M2 .
?x0 ns:film.film.directed_by M3 .
M4 ns:film.director.film ?x0 .
M4 ns:film.director.film M5 .
M6 ns:film.director.film ?x0 .
M6 ns:film.director.film M5 .
M7 ns:film.director.film ?x0 .
M7 ns:film.director.film M5
}