Task: Question Generation
Input (English): #1 return phones 
#2 return companies #1 are  produced by 
#3 return #1 where #2 is  Nokia Corporation 
#4 return RAM size of  #3 
#5 return maximum of  #4 
#6 return minimum of  #4 
#7 return #5 ,  #6
Output (English): What is maximum and minimum RAM size of phone produced by company named "Nokia Corporation"?