799
In 2004 , Hospitality Investors Group ( HIG ) of Scottsdale , Arizona acquired the site and was planning to add a 350-room hotel to the existing 800-room hotel .
 Scottsdale , Arizona
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Scottsdale , Arizona