Write SQL query to solve given problem: Which player selected by Portland in 2nd draftRound won Rookie of the Year in 1971?. Keep the solution inside sql tag ```sql [SQL-Query] ```
SELECT T1.playerID FROM draft AS T1 INNER JOIN awards_players AS T2 ON T1.playerID = T2.playerID WHERE T2.award = 'Rookie of the Year' AND T1.draftYear = 1971 AND T1.draftRound = 2