15170
From the 1950s until 1998 the repair shops operated under the name ZNTK Bydgoszcz , Zakłady Naprawcze Taboru Kolejowego , Repair Shop for Railway Rolling Stock ’ in Bydgoszcz .
 Bydgoszcz, Bydgoszcz
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Bydgoszcz, Bydgoszcz