Task: Question Generation
Input (English): #1 return stadiums 
#2 return events of #1 
#3 return name of #2 
#4 return #1 where #3 is World Junior 
#5 return name of #4 
#6 return capacity of #4 
#7 return #5 ,  #6
Output (English): Find the name and capacity of the stadium where the event named "World Junior" happened.