user: Question: What is the Transfer fee, when the Transfer window is "Winter", and when the item "Moving to" is Northwich Victoria?
Columns: ['Name', 'Country', 'Status', 'Moving to', 'Transfer window', 'Transfer fee']
Types: ['text', 'text', 'text', 'text', 'text', 'text']
Sample row: ['Otsemobor', 'ENG', 'Transfer', 'Norwich City', 'Summer', 'Free']
SQL:

assistant: SELECT "Transfer fee" FROM "Table" WHERE "Transfer window" = 'Winter' AND "Moving to" = 'Northwich Victoria';