Task: Question Generation
Input (English): #1 return Tool did perform in  Roskilde Festival 
#2 return Tool did perform in  Big Day Out 
#3 return when  was  #1 
#4 return when  was  #2 
#5 return which is lowest of #3 ,  #4
Output (English): Where did Tool perform first, Roskilde Festival or Big Day Out?