Task: Question Decomposition
Input (English): question: Show home city where at least two drivers older than 40 are from.
Output (English): #1 return home cities 
#2 return drivers from  #1 
#3 return #2 who  are older than  40 
#4 return number of #3 for each #1 
#5 return #1 where #4 is  at least two