Did M1 employ a film producer , employ a film producer , and employ M2 , M3 , and M4
SELECT count(*) WHERE {
?x0 a ns:film.producer .
?x1 a ns:film.producer .
M1 ns:business.employer.employees/ns:business.employment_tenure.person ?x0 .
M1 ns:business.employer.employees/ns:business.employment_tenure.person ?x1 .
M1 ns:business.employer.employees/ns:business.employment_tenure.person M2 .
M1 ns:business.employer.employees/ns:business.employment_tenure.person M3 .
M1 ns:business.employer.employees/ns:business.employment_tenure.person M4
}