user: Question: What is the transfer window for the country of ESP and the name of De la Red?
Columns: ['Name', 'Country', 'Status', 'Transfer window', 'Transfer fee']
Types: ['text', 'text', 'text', 'text', 'text']
Sample row: ['Roberto Carlos', 'BRA', 'Contract Ended', 'Summer', 'Free']
SQL:

assistant: SELECT "Transfer window" FROM "Table" WHERE "Country" = 'ESP' AND "Name" = 'De la Red';