Task: Question Decomposition
Input (English): question: How many fewer robberies were there in 2000 than in 1981?
Output (English): #1 return robberies 
#2 return #1 in  2000 
#3 return #1 in  1981 
#4 return number of  #2 
#5 return number of  #3 
#6 return difference of #5 and  #4