Write SQL query to solve given problem: Among the countries that officially use the English language, what country has the highest capital?. Keep the solution inside sql tag ```sql [SQL-Query] ```
SELECT T1.Code FROM Country AS T1 INNER JOIN CountryLanguage AS T2 ON T1.Code = T2.CountryCode WHERE T2.Language = 'English' AND T2.IsOfficial = 'T' ORDER BY T1.Capital DESC LIMIT 1