7640
It was in this period that the Qarawiyyin , the main center of learning in Fes , reached its apogee in terms of prestige , patronage , and intellectual scope .
 location: Fes
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:
 location: Fes