Write SQL query to solve given problem: How many stars on average does the episode Lost Verizon have?. Keep the solution inside sql tag ```sql [SQL-Query] ```
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';