user: Question: How much was the transfer fee when n is 2?
Columns: ['N', 'P', 'Name', 'EU', 'Country', 'Age', 'Type', 'Moving from', 'Transfer window', 'Ends', 'Transfer fee', 'Source']
Types: ['real', 'text', 'text', 'text', 'text', 'real', 'text', 'text', 'text', 'text', 'text', 'text']
Sample row: [2.0, 'DF', 'Crowe', 'EU', 'ENG', 30.0, 'Free Agent', 'Northampton Town', 'Summer', '2011', 'Free', 'Leeds United']
SQL:

assistant: SELECT "Transfer fee" FROM "Table" WHERE "N" = 2.0;