<prompt> Bhala ukuqhubeka kwalesi sigaba - UBrantley wahola i-regiment yakhe manje eyingxenye ye-Army of Tennessee ngesikhathi se- Battle of Chickamauga kusuka ngoSepthemba 19 kuya ku-20, 1863, futhi ngokuhlukaniswa eMkhankasweni waseChattanooga ngo-Okthoba nangoNovemba. Embikweni womlawuli wakhe ngeMpi YaseLookout Mountain  <response>: , uBrantley wanconywa ngokuziphatha kwakhe: 