Name the team in which the coach won the title 'NBA Coach of the Year' in 2010.
team name refers to teams.name; won the title 'NBA Coach of the Year' refers to award = 'NBA Coach of the Year'; in 2010 refers to year = 2010
SELECT DISTINCT T1.tmID FROM coaches AS T1 INNER JOIN awards_coaches AS T2 ON T1.coachID = T2.coachID WHERE T2.year = 2010 AND T2.award = 'NBA Coach of the Year'