You may find that you just prefer a flat list of folders - without these extra groups. It uses 'EPL' folder to group all english teams, 'National' - to group all national teams, and so for. (If you haven't updated your data using Konami downloadable update, then the team IDs can be found in ) Please note that the sample GDB (provided with kitserver) is just one possible way of organizing the teams and folders.
IDs for the teams will depend on whether you have installed any patches, but for default option file, you can see the IDs here - file. IMPORTANT: Double quotes are not required, but advised - just so that there is no ambiguity about folder name.