Write SQL query to solve given problem: What is the number of State Province of France that doesn't have a State Province Code?. Keep the solution inside sql tag ```sql [SQL-Query] ```
SELECT T1.CountryRegionCode FROM StateProvince AS T1 INNER JOIN CountryRegion AS T2 ON T1.CountryRegionCode = T2.CountryRegionCode WHERE T2.Name = 'France' AND T1.IsOnlyStateProvinceFlag = 1