user: Question: What is 2nd Leg, when Team 2 is "Dunaferr"?
Columns: ['Team 1', 'Agg.', 'Team 2', '1st leg', '2nd leg']
Types: ['text', 'text', 'text', 'text', 'text']
Sample row: ['Cosmos', '0–3', 'Rapid Wien', '0–1', '0–2']
SQL:

assistant: SELECT "2nd leg" FROM "Table" WHERE "Team 2" = 'Dunaferr';