What key details about david nyika can be extracted from the following bio? Bio: david nyika -lrb- born 7 august 1995 in hamilton -rrb- is an amateur boxer from new zealand . he competed in the men 's light heavyweight division at the 2014 commonwealth games where he won the gold medal . he was the sparring partner to sonny bill williams for his fight against chauncy welliver .
A:
- weight is 88 kg lb 0 on- height is 1.93 m ftin on- updated is 3 august 2014- birth date is 07 august 1995- name is david nyika- nationality is new zealander- birth place is hamilton , new zealand