Task: Question Decomposition
Input (English): question: What happened first, the battle of Lwow or the Treaty of Żurawno?
Output (English): #1 return the  battle of Lwow 
#2 return the  Treaty of Żurawno 
#3 return when  was  #1 
#4 return when  was  #2 
#5 return which is lowest of #3 ,  #4