How many years after the Prelature building was inaugurated was the basement "Vahram Utidjian" Hall inaugurated?
return the  Prelature building was  inaugurated ;return the  basement Vahram Utidjian Hall inaugurated ;return when  was  #1 ;return when  was  #2 ;return difference of #4 and  #3 in  years
['select', 'select', 'project', 'project', 'arithmetic']