153861
In J. R. R. Tolkien 's fiction al universe of Middle-earth , the Door of Night was a place set at the utmost West of Arda , near to Avakúma , the void .
 J. R. R. Tolkien
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 J. R. R. Tolkien