72173
It was this high degree of agricultural productivity in the south that enabled the growth of the highest population densities in the world at this time , giving Akkad its military advantage .
 location: Akkad
Given options, please tell me the categories of all the listed entity words.Output format is "type1: word1; type2: word2". 
Option: location, person, organization 
Text: {0} 
 Entities: Akkad 
Answer:
 location: Akkad