287703
Princz and his family who were Jewish , were living in the former Czechoslovakia in 1939 , were his father worked leasing combine harvestors to Czech farmers during the harvest .
 Princz, Czechoslovakia
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Princz, Czechoslovakia