Which group from the census in the county is smaller: German American or Irish American?
return groups from  the  census in  the county ;return #1 that are German American  ;return #1 that are Irish American  ;return size of #2 ;return size of #3 ;return which is the  lowest of #4 ,  #5
['select', 'filter', 'filter', 'project', 'project', 'comparison']