Which were there less workers of, exiles or guards and overseers?
return exiles ;return guards and  overseers ;return #1 that were workers ;return #2 that were workers ;return number of  #3 ;return number of  #4 ;return which is less of #5 ,  #6
['select', 'select', 'filter', 'filter', 'aggregate', 'aggregate', 'comparison']