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At the end of each show , one contestant was voted off by the judging panel of Alan Davies , Kate Copstick and a different guest judge in each city , with a live final at the Hammersmith Apollo on 25 August 2011 .
 Alan Davies, Kate Copstick, Hammersmith Apollo
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: media, plant, vehicle, astronomical object, time, disease, animal, location, person, organization, mythical figure, food, biology, geographical phenomenon, instrument, event 
Text: {0} 
Answer:
 Alan Davies, Kate Copstick, Hammersmith Apollo