user: Question: What is the undisclosed when Wycombe Wanderers is Unattached?
Columns: ['1 January 2010', 'DF', 'Adam Hinshelwood', 'Aldershot Town', 'Wycombe Wanderers', 'Undisclosed']
Types: ['text', 'text', 'text', 'text', 'text', 'text']
Sample row: ['3 August 2009', 'GK', 'Nikki Bull', 'Aldershot Town', 'Bentford', 'Free']
SQL:

assistant: SELECT "Undisclosed" FROM "Table" WHERE "Wycombe Wanderers" = 'Unattached';