Write SQL query to solve given problem: What role does the tallest person play?. Keep the solution inside sql tag ```sql [SQL-Query] ```
SELECT T2.role FROM Person AS T1 INNER JOIN Credit AS T2 ON T1.person_id = T2.person_id INNER JOIN Award AS T3 ON T2.episode_id = T3.episode_id ORDER BY T1.height_meters DESC LIMIT 1