Task: Question Generation
Input (English): #1 return Sweden 
#2 return Prime Minister of #1 
#3 return when  was  #2 
#4 return Marianne Lundius 
#5 return when  was  #4 born 
#6 return #2 when  #3 is equal to #5
Output (English): Who was Prime Minister of Sweden when Marianne Lundius was born?