How many stars did most of the voters give in star score for the episode Lost Verizon?
"Lost Verizon" is the title of episode; most voters refers to Max(votes)
SELECT T2.stars FROM Episode AS T1 INNER JOIN Vote AS T2 ON T2.episode_id = T1.episode_id WHERE T1.title = 'Lost Verizon' ORDER BY T2.votes DESC LIMIT 1;