user: Question: What transfer fee did Birmingham City get on 30 June 2010?
Columns: ['Name', 'Country', 'Type', 'Moving from', 'Transfer window', 'Ends', 'Transfer fee']
Types: ['text', 'text', 'text', 'text', 'text', 'text', 'text']
Sample row: ['Legzdins', 'ENG', 'Transfer', 'Birmingham City', 'Summer', '30 June 2010', 'Free']
SQL:

assistant: SELECT "Transfer fee" FROM "Table" WHERE "Ends" = '30 June 2010' AND "Moving from" = 'Birmingham City';