Which Shakespeare tragedy has the most scenes? Give the long title.
tragedy refers to GenreType = 'Tragedy'; most scenes refers to max(count(Scene))
SELECT T.LongTitle FROM ( SELECT T1.LongTitle, COUNT(T2.Scene) AS num FROM works AS T1 INNER JOIN chapters AS T2 ON T1.id = T2.work_id WHERE T1.GenreType = 'Tragedy' GROUP BY T1.LongTitle, T2.Scene ) AS T ORDER BY T.num DESC LIMIT 1