Answer the following question: Facts: - clubs: sc bsc preuen munster fc st. pauli vfl bochum hertha - caps: 34 100 34 123 66 - position: midfielder - nationalcaps: 5 - years: 1973 1982 -- 1984 -- 1977 1977 -- 1978 1978 -- 1982 - height: 1.70 - nationalyears: 1979 -- 1980 - nationalgoals: 0 - birth date: 21 may 1952 - fullname: rolf blau - name: rolf blau - nationalteam: west germany b - goals: 3 25 1 14 9 Based on these bullet points, write a short biography describing the life of rolf blau .
Answer:
rolf blau -lrb- born 21 may 1952 -rrb- is a retired german football midfielder .