1850
The banks in Stockholm and County were called  Enskilda  Bank until May 2011 when they changed name to  Danske Bank  .
 alternate names: Enskilda, Danske Bank
Given options, please tell me the relationships of all the listed entity pairs.Output format is "relation1: word1, word2; relation2: word3, word4". 
Option: cities of residence, top members employees, members, alternate names, origin, state or provinces of residence, title of person, spouse, city of headquarters, NA, founded by, state or province of headquarters, employee of, countries of residence, country of birth, founded, subsidiaries, country of headquarters 
Text: {0} 
 Entity Pairs:  Enskilda, Danske Bank 
Answer:
 alternate names: Enskilda, Danske Bank