How many more churches were burnt in 1413 than in 1248?
return churches ;return #1 that were burnt in  1413 ;return #1 that were burnt in  1248 ;return number of  #2 ;return number of  #3 ;return the  difference of #4 and  #5
['select', 'filter', 'filter', 'aggregate', 'aggregate', 'arithmetic']