Task: Question Decomposition
Input (English): question: How many years did the Shang rule according to the Xia-Shang-Zhou Chronology Project?
Output (English): #1 return the  Shang did rule 
#2 return years of #1 
#3 return #2 according to the  Xia-Shang-Zhou Chronology Project 
#4 return number of  #3