question: Was M0 a production company that was founded by M2 and M3 and employed M4
query: SELECT count(*) WHERE {
  M0 a ns:film.production_company .
  M0 ns:business.employer.employees/ns:business.employment_tenure.person M4 .
  M0 ns:organization.organization.founders M2 .
  M0 ns:organization.organization.founders M3
  }