85000
The Dublin Vikings , together with Leinster , twice rebelled against him , but they were defeated in the battles of Glenmama ( 999 ) and Clontarf ( 1014 ) .
 Dublin Vikings, Leinster, Glenmama, Clontarf
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Dublin Vikings, Leinster, Glenmama, Clontarf