Task: Question Decomposition
Input (English): question: How many professors who are from either Accounting or Biology department?
Output (English): #1 return professors 
#2 return departments of  #1 
#3 return #1 where  #2 is Accounting 
#4 return #1 where  #2 is Biology 
#5 return #3 or #4 
#6 return number of  #5