Was M0 a film producer that M2 , M3 , M4 , M5 , M6 , M7 , and M8 employed
SELECT count(*) WHERE {
M0 a ns:film.producer .
M0 ns:people.person.employment_history/ns:business.employment_tenure.company M2 .
M0 ns:people.person.employment_history/ns:business.employment_tenure.company M3 .
M0 ns:people.person.employment_history/ns:business.employment_tenure.company M4 .
M0 ns:people.person.employment_history/ns:business.employment_tenure.company M5 .
M0 ns:people.person.employment_history/ns:business.employment_tenure.company M6 .
M0 ns:people.person.employment_history/ns:business.employment_tenure.company M7 .
M0 ns:people.person.employment_history/ns:business.employment_tenure.company M8
}