Conversation so far:
When was Paul Ryan first elected to Congress?
Paul Ryan was first elected to the House of Representatives in 1998.
Which congressional district was Paul Ryan elected in?
Paul Ryan won the 1st District seat of Republican Mark Neumann, a two-term incumbent who had vacated his seat to make an unsuccessful bid for the U.S. Senate.
Was there any controversy in Paul Ryan's elections?

Question: What has he done during his time in office?
Self-contained rewrite: What has Paul Ryan done in Congress?