Which families contributed more money, the Harrises and the Klebolds or the Manes?
return Harrises ;return Klebolds ;return Manes ;return money #1 did contribute ;return money #2 did contribute ;return money #3 did contribute ;return the  sum of #4 and  #5 ;return which is highest of #6 ,  #7
['select', 'select', 'select', 'project', 'project', 'project', 'arithmetic', 'comparison']