user: Question: What was the 1st leg for Team 2, Slovan Liberec?
Columns: ['Team 1', 'Agg.', 'Team 2', '1st leg', '2nd leg']
Types: ['text', 'text', 'text', 'text', 'text']
Sample row: ['Internazionale', '5–3', 'AEK Athens', '3–1', '2–2']
SQL:

assistant: SELECT "1st leg" FROM "Table" WHERE "Team 2" = 'Slovan Liberec';