Did M1 employ M0 's prequel 's cinematographer and employ M2
SELECT count(*) WHERE {
?x0 ns:film.cinematographer.film ?x1 .
?x1 ns:film.film.sequel M0 .
M1 ns:business.employer.employees/ns:business.employment_tenure.person ?x0 .
M1 ns:business.employer.employees/ns:business.employment_tenure.person M2
}