Write SQL query to solve given problem: Which NHL award was most frequently won by the coach with the most wins?. Keep the solution inside sql tag ```sql [SQL-Query] ```
SELECT award FROM Teams AS T1 INNER JOIN AwardsCoaches AS T2 ON T1.lgID = T2.lgID WHERE T1.lgID = 'NHL' GROUP BY T2.coachID, T2.award ORDER BY COUNT(T2.award) DESC LIMIT 1