356884
The king Ramon Berenguer IV , Count of Barcelona was in possession of a group of war prisoners whose release requested Valencia .
 Ramon Berenguer IV , Count of Barcelona, Valencia
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Ramon Berenguer IV , Count of Barcelona, Valencia