Among the players who have won the award of Rookie of the year, what is the height of the tallest player?
"Rookie of the Year" is the award; tallest player refers to Max(height)
SELECT T1.height FROM players AS T1 INNER JOIN awards_players AS T2 ON T1.playerID = T2.playerID WHERE T2.award = 'Rookie of the Year' ORDER BY T1.height DESC LIMIT 1