274856
Tarnawski finished his playing career in the United States , making 17 appearances for NASL side Boston Beacons during the 1968 season .
 United States, NASL, Boston Beacons
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 United States, NASL, Boston Beacons