user: Question: What is Agg., when Team 1 is "Tirana"?
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 "Agg." FROM "Table" WHERE "Team 1" = 'Tirana';