354369
When introduced in the issue dated June 20 , 2009 , until October 13 , 2012 , the chart ranked only the airplay of songs on alternative , mainstream rock and triple A radio stations . "
 None
Given options, please tell me the categories of all the listed entity words.Output format is "type1: word1; type2: word2". 
Option: location, person, organization 
Text: {0} 
 Entities:  
Answer:
 None