How many days after the Venetian Army laid siege to the fort of Koroni  were the Turkish forces defeated?
return the  Venetian Army laid siege to the   fort of Koroni ;return the  Turkish forces were defeated ;return when  was  #1 ;return when  was  #2 ;return difference of #4 and  #3 in  days
['select', 'select', 'project', 'project', 'arithmetic']