How many 7-star votes in star score did the episode Lost Verizon have?
7-stars vote refers to stars = 7; 'Lost Verizon' is the title of episode
SELECT COUNT(*) FROM Episode AS T1 INNER JOIN Vote AS T2 ON T2.episode_id = T1.episode_id WHERE T1.title = 'Lost Verizon' AND T2.stars = 7;