Did M2 star M3 , star a German person , and star M4 and M5
SELECT count(*) WHERE {
?x0 a ns:people.person .
?x0 ns:people.person.nationality ns:m.0345h .
M2 ns:film.film.starring/ns:film.performance.actor ?x0 .
M2 ns:film.film.starring/ns:film.performance.actor M3 .
M2 ns:film.film.starring/ns:film.performance.actor M4 .
M2 ns:film.film.starring/ns:film.performance.actor M5
}