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The building has also been featured in other works , such as " Daleks in Manhattan " , a 2007 episode of the TV series " Doctor Who " ; and " Empire " , an eight-hour black-and-white silent film by Andy Warhol , which was later added to the Library of Congress 's National Film Registry .
 Andy Warhol, Library of Congress, National Film Registry
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Andy Warhol, Library of Congress, National Film Registry