How many 10 star votes did the top 4 episodes with the highest rating received?
10 stars votes refers to stars = 10; highest rating refers to Max(rating); number of votes refers to SUM(votes)
SELECT SUM(T1.votes) FROM Episode AS T1 INNER JOIN Vote AS T2 ON T2.episode_id = T1.episode_id WHERE T2.stars = 10 ORDER BY T1.rating DESC LIMIT 4;