178197
Ernst-Felix Krüder ( 6 December 1897 – 8 May 1941 ) was a Captain ( German : Kapitän zur See ) of the German Navy ( Kriegsmarine ) who , during World War II , commanded a merchant raider .
 Ernst-Felix Krüder, German
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Ernst-Felix Krüder, German