How many years after the 10th Cavalry was moved to Camp Lockett, California was the 2nd Cavalry Division shipped out to Oran, North Africa?
return the  10th Cavalry  was  moved to Camp Lockett California ;return the  2nd Cavalry  Division shipped out to Oran North Africa ;return year of #1 ;return year of #2 ;return difference of #4 and  #3
['select', 'select', 'project', 'project', 'arithmetic']