Task: Question Generation
Input (English): #1 return working Las Vegas residents 
#2 return #1 that commute by driving alone in  2016 
#3 return #1 that commute via carpool in  2016 
#4 return number of  #2 
#5 return number of  #3 
#6 return which is fewer of #4 ,  #5
Output (English): Did fewer working Las Vegas residents commute by driving alone or via carpool in 2016?