How many years after Matthias succeeded as King of Hungary did he and Frederick III/V settle their rivalry with the Treaty of Wiener Neustadt?
return Matthias succeeded as King of Hungary ;return Matthias and  Frederick III/V settle their rivalry with the  Treaty of Wiener Neustadt ;return year of #1 ;return year of #2 ;return the  difference of #4 and  #3
['select', 'select', 'project', 'project', 'arithmetic']