SELECT T2.name ,  T2.open_year FROM membership_register_branch AS T1 JOIN branch AS T2 ON T1.branch_id  =  T2.branch_id WHERE T1.register_year  =  2016 GROUP BY T2.branch_id ORDER BY count(*) DESC LIMIT 1
SELECT T2.name ,  T2.open_year FROM membership_register_branch AS T1 JOIN branch AS T2 ON T1.branch_id  =  T2.branch_id WHERE T1.register_year  =  2016 GROUP BY T2.branch_id ORDER BY count(*) DESC LIMIT 1 <table_name> : branch col : Branch_ID | Name | Open_year | Address_road | City | membership_amount row 1 : 1 | Alexandre | 2001 | Valleys Place | London | 112 row 2 : 2 | Popert | 2009 | Oaks Crescent | London | 11 row 3 : 3 | Stanley | 2013 | Abbott Street | London | 6 row 4 : 4 | Zytogorski | 2009 | Abbey Rise | Oxford | 7 row 5 : 5 | Cochrane | 2012 | Brampton Road | London | 1418 row 6 : 6 | Taverner | 2014 | Cecilia Avenue | Oxford | 56 row 7 : 7 | Saint Amant | 2015 | Concord Road | London | 91 row 8 : 8 | Brooke Greville | 2009 | Glebe Street | Oxford | 31 <table_name> : membership_register_branch col : Member_ID | Branch_ID | Register_Year row 1 : 1 | 1 | 2016 row 2 : 2 | 4 | 2016 row 3 : 3 | 1 | 2017 row 4 : 4 | 1 | 2016 row 5 : 5 | 5 | 2016 row 6 : 6 | 6 | 2017 row 7 : 7 | 2 | 2016 row 8 : 8 | 8 | 2016
col : Name | Open_year row 1 : Alexandre | 2001