Question: Among the coaches who won the 'ABA Coach of the Year' award, which is the coach with the highest number of won games?
SQL: SELECT T1.coachID FROM coaches AS T1 INNER JOIN awards_coaches AS T2 ON T1.coachID = T2.coachID WHERE T2.award = 'ABA Coach of the Year' GROUP BY T1.coachID, T1.won ORDER BY T1.won DESC LIMIT 1