4086
On February 10 of 1979 , he retained his titles for a division record fourteenth time against a future world champion , Antonio Avelar , by a fifteen round decision .
 person: Antonio Avelar
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 person: Antonio Avelar