select__T1.AREA_CODEasID,area1.AREA_NAMEasprovinceName,area2.AREA_NAMEascityName,area3.AREA_NAMEasdisinctName,casewhenarea1.AREA_NAME=area2.AREA_NAMEthenarea1.AREA_NAMEwhenarea2.AREA_NAME=area3.AREA_NAMEthena