Did M1 star a film producer , star M2 , M3 , M4 , and M5 , and star M6 and M7
SELECT count(*) WHERE {
?x0 a ns:film.producer .
M1 ns:film.film.starring/ns:film.performance.actor ?x0 .
M1 ns:film.film.starring/ns:film.performance.actor M2 .
M1 ns:film.film.starring/ns:film.performance.actor M3 .
M1 ns:film.film.starring/ns:film.performance.actor M4 .
M1 ns:film.film.starring/ns:film.performance.actor M5 .
M1 ns:film.film.starring/ns:film.performance.actor M6 .
M1 ns:film.film.starring/ns:film.performance.actor M7
}