user: Question: Who had a transfer fee of DKK 6m?
Columns: ['Nat.', 'Name', 'Since', 'Goals', 'Ends', 'Transfer fee']
Types: ['text', 'text', 'text', 'real', 'real', 'text']
Sample row: ['DNK', 'Christiansen ( VC1 )', '2005', 0.0, 2012.0, 'Undisclosed']
SQL:

assistant: SELECT "Name" FROM "Table" WHERE "Transfer fee" = 'DKK 6m';