question: What is the name and opening year for the branch that registered the most members in 2016?
#1 return branches 
#2 return members registered of #1 
#3 return #2 in 2016 
#4 return number of  #3 for each #1 
#5 return #1 where #4 is  highest 
#6 return name of #5 
#7 return opening year of #5 
#8 return #6 ,  #7