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In August 2010 , he joined Football League Championship side Queens Park Rangers on a free transfer with a one-year contract , after impressing on trial during the summer .
 Football League Championship, Queens Park Rangers
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Football League Championship, Queens Park Rangers