
Assuming sourcedb is required, the following result was found.
[student_country_birth_code], [student_country_domicile_code], [student_nationality_code], [student_ethnicity_code] FROM [sourcedb].[dbo].[events] Simple bit of SQL but as you can see we have a few fields that need decoding (suffixed by "_code"). Run as...

bc1qf6elrdxc968h0k673l2djc9wrpazhqtxw8qqp4
0xb038962F3809b425D661EF5D22294Cf45E02FebF