user: Question: What was the transfer fee for the Summer transfer involving the SCO named Crainey?
Columns: ['Name', 'Country', 'Status', 'Transfer window', 'Transfer fee', 'Source']
Types: ['text', 'text', 'text', 'text', 'text', 'text']
Sample row: ['Kelly', 'IRE', 'Retired', 'Summer', 'n/a', 'Leeds United']
SQL:

assistant: SELECT "Transfer fee" FROM "Table" WHERE "Transfer window" = 'Summer' AND "Country" = 'SCO' AND "Name" = 'Crainey';