Conversation so far:
When did Pankaj Advani begin playing billiards?
In the year 2000 Pankaj Advani won his first Indian Junior Billiards Championship title and then went on to win it again in 2001 and 2003.

Question: How long did he play billiards?
Self-contained rewrite: How long did Pankaj Advani play billiards?