Please answer the following question: What key details about siegfried lemke can be extracted from the following bio? Bio: siegfried '' wumm '' lemke -lrb- 7 april 1921 -- 18 december 1995 -rrb- was a german luftwaffe ace and recipient of the knight 's cross of the iron cross during world war ii . the knight 's cross of the iron cross was awarded to recognise extreme battlefield bravery or successful military leadership . during his career he was credited with between 70 and 96 aerial victories .
A:
- death place is worfelden , germany- caption is siegfried '' wumm '' lemke- battles is world war ii- death date is 18 december 1995- allegiance is nazi germany- commands is iii . / jg 2- nickname is '' wumm ''- awards is knight 's cross of the iron cross- birth date is 7 april 1921- serviceyears is ? -- 1945- name is siegfried '' wumm '' lemke- branch is luftwaffe- unit is jg 2- image is bundesarchiv bild 183-r63335 , siegfried lemke.jpg- birth place is schivelbein- rank is hauptmann