Question: What player is associated with SoenderjyskE.dk?
SQL: SELECT "Name" FROM "2-17637370-4" WHERE "Source" = 'SoenderjyskE.dk';

Question: What is the Transfer fee for Gravgaard?
SQL: SELECT "Transfer fee" FROM "2-17637370-4" WHERE "Type" = 'Transfer' AND "Name" = 'Gravgaard';