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Herbert Weichmann ( 23 February 1896 – 9 October 1983 ) was a German lawyer and politician ( Social Democratic Party SPD ) and First Mayor of Hamburg ( 1965 – 1971 ) .
 Herbert Weichmann, Social Democratic Party SPD, Hamburg
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Herbert Weichmann, Social Democratic Party SPD, Hamburg