Which were there least of, men, pack elephants, oxen or small calibre bronze cannon?
return men ;return packs elephants ;return oxen ;return small calibre bronze cannons ;return number of  #1 ;return number of  #2 ;return number of  #3 ;return number of  #4 ;return which is lowest of #5 ,  #6 ,   #7 , #8
['select', 'select', 'select', 'select', 'aggregate', 'aggregate', 'aggregate', 'aggregate', 'comparison']