325440
The breed was developed in the 1970s to create a companion sized dog resembling the Alaskan Husky ( a mixed breed of dog used for sled racing ) , resulting in an energetic , intelligent , apartment-sized dog with an appearance that reflects its northern heritage .
 None
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 None