How many years after Charles invaded Provence and took Aix did Francis I and Charles V make peace with the Truce of Nice?
return Charles  invaded Provence and  took Aix ;return Francis I and  Charles  V make peace with the  Truce of Nice ;return year of #1 ;return year of #2 ;return difference of #4 and  #3
['select', 'select', 'project', 'project', 'arithmetic']