Table:
text: Challenge of Champions
Past winners and runners-up
Past winners and runners-up
Year_ Date_Final Venue Prize_Money Champion Runner_up Score_in_final Commercial_name
1984 Jan 3-8 Rosemont $250,000 Jimmy Connors Andrés Gómez 6–3, 6–2, 6–1 Lite Challenge of Champions
1983 Jan 4-9 Rosemont $250,000 Ivan Lendl Jimmy Connors 4–6, 6–4, 7–5, 6–4 Lite Challenge of Champions
1982 Jan 6-11 Rosemont $310,000 Jimmy Connors John McEnroe 6–7, 7–5, 6–7, 7–5, 6–4 Michelob Light Challenge of Champions
1981 Jan 7-12 Rosemont $310,000 John McEnroe Jimmy Connors 6–2, 6–4, 6–1 Challenge of Champions

Question: Which champion has 1981 as the year among the Challenge of Champions?

Question: What is the end date of the Challenge of Champions in 1982?

Question: What prize money does Michelob Light Challenge of Champions have as a commercial name?