Which happened first, the capture of the first Soviet POWs or the quality and quantity of camp personnel being improved?
return the  capture of the   first Soviet POWs ;return the  quality and  quantity of camp personnel being improved ;return when  was  #1 ;return when  was  #2 ;return which is the  lowest of #3 ,  #4
['select', 'select', 'project', 'project', 'comparison']