87471
The first round will commence on 21 May 2013 and the final will be contested in May 2014 , As of April 2013 it is still unknown if the final will return to Friends Arena in Solna or if the previous policy with the final being played at one of the finalists stadiums will return .
 Solna
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Solna