Database: mondial_geo
Question: How many Italian regions are bordered by the Mediterranean Sea? How deep is the Mediterranean Sea?
SQL: SELECT COUNT(DISTINCT T2.province), T3.Depth FROM country AS T1 INNER JOIN located AS T2 ON T1.Code = T2.Country INNER JOIN sea AS T3 ON T3.Name = T2.Sea WHERE T1.Code = 'I' AND T3.Name = 'Mediterranean Sea' GROUP BY T3.Depth