user: Question: What is the transfer window for the moving from of São Paulo?
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 "Transfer window" FROM "Table" WHERE "Moving from" = 'São Paulo';