Write SQL query to solve given problem: Give the head of the state of the country with the lowest percentage use of English as their language.. Keep the solution inside sql tag ```sql [SQL-Query] ```
SELECT T1.HeadOfState FROM Country AS T1 INNER JOIN CountryLanguage AS T2 ON T1.Code = T2.CountryCode WHERE T2.Language = 'English' ORDER BY T2.Percentage LIMIT 1