user: Question: what is th copa libertadores 1997 is QF?
Columns: ['Team', 'Intercontinental', 'Recopa 1996', 'Supercopa 1996', 'CONMEBOL 1996', 'Copa Libertadores 1997']
Types: ['text', 'text', 'text', 'text', 'text', 'text']
Sample row: ['Vélez Sársfield', 'N/A', 'Champions', 'Champions', 'N/A', '2nd round']
SQL:

assistant: SELECT "Copa Libertadores 1997" FROM "Table" WHERE "Supercopa 1996" = 'QF';