Task: Question Generation
Input (English): #1 return countries 
#2 return gross/total invoice sizes of #1 
#3 return #1 where #2 is in  the  top 8 highest 
#4 return names of #3 
#5 return gross/total invoice sizes of #3 
#6 return #4 ,  #5
Output (English): A list of the top 8 countries by gross/total invoice size. List country name and gross invoice size.