How many years after Ulick married Elizabeth Spencer was he summoned to the house of the Lords as Lord Burgh?
return Ulick married Elizabeth Spencer ;return he summoned to the  house of the Lords as Lord Burgh ;return when  was  #1 ;return when  was  #2 ;return difference of #4 and  #3 in  years
['select', 'select', 'project', 'project', 'arithmetic']