Which year  did Warsaw had the largest percentage growing economies in GDP growth: 2008 or 2007?
return Warsaw ;return GDP growth in  #1 ;return #2 in  2008 ;return #2 in  2007 ;return percentage of #3 ;return percentage of #4 ;return which is the  highest of #5 ,  #6
['select', 'project', 'filter', 'filter', 'project', 'project', 'comparison']