How many years after founding the H.B. Reese Candy Company did H.B. Reese die?
return H.B  Reese found the  H.B Reese  Candy Company ;return H.B  Reese dies ;return year of #1 ;return year of #2 ;return the  difference of #4 and  #3
['select', 'select', 'project', 'project', 'arithmetic']