How many stars on average does the episode Lost Verizon have?
"Lost Verizon" is the title of episode; stars on average = Divide( Sum (Multiply (votes, stars)), Sum(votes))
SELECT CAST(SUM(T2.votes * T2.stars) AS REAL) / SUM(T2.votes) FROM Episode AS T1 INNER JOIN Vote AS T2 ON T2.episode_id = T1.episode_id WHERE T1.title = 'Lost Verizon';