Question: Which Zaire region is home to the country's deepest lake's Name it and list its depth.
SQL: SELECT T3.Name, T1.Name, T1.Depth FROM lake AS T1 INNER JOIN located AS T2 ON T1.Name = T2.Lake INNER JOIN province AS T3 ON T3.Name = T2.Province INNER JOIN country AS T4 ON T4.Code = T3.Country WHERE T4.Name = 'Zaire'