How many years after the regiment ws transffered to the Department of Arizona was it then transffered to the Department of Dakota?
return the  regiment was  transffered to the   Department  of Arizona ;return the  regiment was  transffered to the   Department  of Dakota ;return year of #1 ;return year of #2 ;return difference of #4 and  #3
['select', 'select', 'project', 'project', 'arithmetic']