Did a film producer that M1 , M2 , and M3 were written by and M4 , M5 , and M6 starred direct M7
SELECT count(*) WHERE {
?x0 a ns:film.producer .
?x0 ns:film.actor.film/ns:film.performance.film M4 .
?x0 ns:film.actor.film/ns:film.performance.film M5 .
?x0 ns:film.actor.film/ns:film.performance.film M6 .
?x0 ns:film.director.film M7 .
?x0 ns:film.writer.film M1 .
?x0 ns:film.writer.film M2 .
?x0 ns:film.writer.film M3
}