question: Was a film producer that was founded by M2 and M3 and was founded by M4 , M5 , and M6 M0
query: SELECT count(*) WHERE {
  M0 a ns:film.producer .
  M0 ns:organization.organization.founders M2 .
  M0 ns:organization.organization.founders M3 .
  M0 ns:organization.organization.founders M4 .
  M0 ns:organization.organization.founders M5 .
  M0 ns:organization.organization.founders M6
  }