Write SQL query to solve given problem: Give the title of the episode won in Primetime Emmy Awards 2009.. 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 T1.organization = 'Primetime Emmy Awards' AND T1.year = 2009 AND T1.result = 'Winner';