Write SQL query to solve given problem: Among the episode with highest votes, what is the category credited to Carlton Batten?. Keep the solution inside sql tag ```sql [SQL-Query] ```
SELECT T2.category FROM Episode AS T1 INNER JOIN Credit AS T2 ON T1.episode_id = T2.episode_id WHERE T2.person = 'Carlton Batten' AND T2.credited = 'true' ORDER BY T1.votes DESC LIMIT 1;