user: Question: What is the 1st leg when team 1 is Chelsea?
Columns: ['Team 1', 'Agg.', 'Team 2', '1st leg', '2nd leg']
Types: ['text', 'text', 'text', 'text', 'text']
Sample row: ['Chelsea', '3–2', 'Juventus', '1–0', '2–2']
SQL:

assistant: SELECT "1st leg" FROM "Table" WHERE "Team 1" = 'Chelsea';