What group from the health sector is larger: soum hospitals or feldsher posts?
return the  health sector ;return groups of #1 ;return size of #2 ;return #3 where #2 is soum hospitals ;return #3 where #2 is feldsher posts ;return which is highest of #4 ,  #5
['select', 'project', 'project', 'comparative', 'comparative', 'comparison']