181327
In the 19th century , Viale Regina Margherita was a tree-lined avenue that led from the neighborhood of the San Lorenzo district to the fields of Monti Parioli .
 Parioli
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Parioli