Conversation so far:
When did Pankaj Advani begin playing billiards?
Advani made his international competitive debut at the Asian Billiards Championship 2002, held at Bangalore.
How long did he play billiards?
2012.
Did he win any tournaments?
World Billiards Championship in 2005 at Qawra.

Question: How old was he?
Self-contained rewrite: How old was Pankaj Advani when he started competing?