user: Question: What is the 1st leg when club is A.C. Libertas?
Columns: ['Season', 'Competition', 'Round', 'Club', '1st leg', '2nd leg', 'Aggregate']
Types: ['text', 'text', 'text', 'text', 'text', 'text', 'text']
Sample row: ['1983–84', 'UEFA Cup', 'First round', 'Tottenham Hotspur F.C.', '0–6', '0–8', '0–14']
SQL:

assistant: SELECT "1st leg" FROM "Table" WHERE "Club" = 'A.C. Libertas';