How many years difference was the amount of the the United States occupied Nicaragua compared to the time the US military forcefully intervened in various Latin American countries?
return the  United States occupied Nicaragua ;return the  US military forcefully intervened in  various Latin American countries ;return years of #1 ;return years of #2 ;return number of  #3 ;return number of  #4 ;return difference of #5 and  #6
['select', 'select', 'project', 'project', 'aggregate', 'aggregate', 'arithmetic']