268108
3917 Franz Schubert is a main-belt asteroid discovered by Freimut Börngen in Tautenburg on February 15 , 1961 .
 Franz Schubert, Freimut Börngen, Tautenburg
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Franz Schubert, Freimut Börngen, Tautenburg