user: Question: What is the nationality of Acquafresca?
Columns: ['Nat.', 'Name', 'Moving from', 'Type', 'Transfer window', 'Ends']
Types: ['text', 'text', 'text', 'text', 'text', 'text']
Sample row: ['HUN', 'Filkor', 'Grosseto', 'Loan End', 'Summer', '2010']
SQL:

assistant: SELECT "Nat." FROM "Table" WHERE "Name" = 'Acquafresca';