Question: What type of details about bruce walker -lrb- rugby league -rrb-  can be gathered from the following bio?  Bio: bruce walker is an australian former rugby league footballer of the 1970s and 80s . an australian kangaroos and queensland state of origin representative second-row or lock forward , he played club football in brisbane with eastern suburbs before moving to sydney to play with the north sydney bears for seven seasons between 1971-1977 and later manly-warringah for six seasons between 1978-1983 with whom he won the 1978 grand final . he was then selected to go on the 1978 kangaroo tour , playing in 8 matches . following his retirement as a player he became chairman of the south australian rugby league .
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- teama - pointsb - source - points - goalsb - birth date - fieldgoals - pointsa - fieldgoalsc - teamb - appearances - triesa - fieldgoalsb - yearcstart - tries - triesb - name - birth place - goalsc - appearancesc - position - teamc - appearancesa - appearancesb - goalsa - yearbstart - pointsc - yearastart - yearend - yearstart - triesc - nickname - fieldgoalsa - club - goals