Find the name and rank points of the winner who won the most times.
SELECT winner_name ,  winner_rank_points FROM matches GROUP BY winner_name ORDER BY count(*) DESC LIMIT 1
SELECT winner_name ,  winner_rank_points FROM matches GROUP BY winner_name ORDER BY count(*) DESC LIMIT 1
[{'winner_name': 'Angelique Kerber', 'winner_rank_points': 3715}]