3779
The first editions of the 2000 s were marked by the dominance of Roberto Heras , who achieved victory on three occasions , and in 2005 did it for the fourth time .
 Roberto Heras
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Roberto Heras