Was a film producer that M2 and M3 employed and M4 , M5 , and M6 employed M0
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
}