What type of details about oswald griffiths can be gathered from the following bio? Bio: oswald '' ossie '' griffiths is a welsh rugby union and professional rugby league footballer of the 1930s , playing club level rugby union -lrb- ru -rrb- for cwmavon rfc , and playing representative level rugby league -lrb- rl -rrb- for wales , and at club level for wigan , st. helens -lrb- twice -rrb- , and halifax , as a , or , i.e. number 3 or 4 , or 11 or 12 , or 13 , during the era of contested scrums .
The answer to this question is:
- teama - source - ru yearstart - ru yearend - points - appearances - tries - new - retired - ru club - name - birth place - appearancesa - updated - fullname - yearastart - yearend - yearstart - first - nickname - yearaend - club