question: Was a company that employed M3 , M4 , and M5 and was founded by M2 a film producer
query: SELECT count(*) WHERE {
  ?x0 a ns:business.employer .
  ?x0 a ns:film.producer .
  ?x0 ns:business.employer.employees/ns:business.employment_tenure.person M3 .
  ?x0 ns:business.employer.employees/ns:business.employment_tenure.person M4 .
  ?x0 ns:business.employer.employees/ns:business.employment_tenure.person M5 .
  ?x0 ns:organization.organization.founders M2
  }