85675
With the opening of the Tower I in 2006 , the 420 ft structure was the 16th tallest in Las Vegas Valley at the time of construction and is currently ranked 35th along with the Marriott 's Grand Chateau .
 Las Vegas
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Las Vegas