question: Was a film producer whose employer was founded by M0 , M1 , M2 , and M3 and was founded by M4 M5
query: SELECT count(*) WHERE {
  ?x0 ns:organization.organization.founders M0 .
  ?x0 ns:organization.organization.founders M1 .
  ?x0 ns:organization.organization.founders M2 .
  ?x0 ns:organization.organization.founders M3 .
  ?x0 ns:organization.organization.founders M4 .
  M5 a ns:film.producer .
  M5 ns:people.person.employment_history/ns:business.employment_tenure.company ?x0
  }