user: Question: Which Copa Libertadores 1996 has a Team of Estudiantes?
Columns: ['Team', 'Recopa 1995', 'Supercopa 1995', 'CONMEBOL 1995', 'Copa Libertadores 1996']
Types: ['text', 'text', 'text', 'text', 'text']
Sample row: ['River Plate', 'N/A', 'SF', 'N/A', 'Champions']
SQL:

assistant: SELECT "Copa Libertadores 1996" FROM "Table" WHERE "Team" = 'Estudiantes';