Please answer the following question: What key details about wally ziaja can be extracted from the following bio? Bio: walter '' wally '' ziaja -lrb- born july 2 , 1949 -rrb- is a retired american soccer defender . he spent two seasons in the north american soccer league and was a member of the u.s. soccer team at the 1972 summer olympics . he also earned four caps with the u.s. national team between 1971 and 1973 .
A:
- clubs is denver dynamos- caps is 1 5- position is defender- nationalcaps is 4- years is 1974- height is 5 9- managerclubs is arrowhead high school whitefish bay high school- nationalyears is 1973- nationalgoals is 0- birth date is 2 july 1949- fullname is walter eric ziaja- name is wally ziaja- nationalteam is united states- birth place is linz , austria- goals is 0 0