Write SQL query to solve given problem: In 2010, which episode did Joel H. Cohen win an award for?. Keep the solution inside sql tag ```sql [SQL-Query] ```
SELECT T2.title FROM Award AS T1 INNER JOIN Episode AS T2 ON T1.episode_id = T2.episode_id WHERE SUBSTR(T1.year, 1, 4) = '2010' AND T1.person = 'Joel H. Cohen';