Please answer the following question: What key details about andreas knebel can be extracted from the following bio? Bio: andreas knebel -lrb- born june 21 , 1960 in sangerhausen -rrb- is a former east german athlete who competed mainly in the 400 metres . he competed for east germany in the 1980 summer olympics held in moscow , soviet union in the 4 x 400 metre relay where he won the silver medal with his team mates klaus thiele , frank schaffer and volker beck .
A:
- headercolor is lightsteelblue- birth date is june 21 , 1960- name is andreas knebel- birth place is sangerhausen , east germany