Write SQL query to solve given problem: Among the episodes with an award nominee or winner, which has the highest percent of 5 star votes?. Keep the solution inside sql tag ```sql [SQL-Query] ```
SELECT T1.episode_id FROM Award AS T1 INNER JOIN Vote AS T2 ON T2.episode_id = T1.episode_id WHERE T2.stars = 5 ORDER BY T2.percent DESC LIMIT 1;