1704
The station was assigned the call sign KWER on June 25 , 2007 , and on April 8 , 2008 , changed its call sign to the current KWAR .
 None
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 None