Conversation so far:
who has taken the fastest 100 wickets in test
Yasir Shah has taken the fastest 100 wickets in test.
who is yasir shah
Yasir Shah is an international cricketer from Pakistan who is the joint-second fastest bowler in the history of Test cricket to take 100 wickets.

Question: whose record has the player broken
Self-contained rewrite: whose record has yasir shah broken