user: Question: What is team 1 when team 2 is Manchester United?
Columns: ['Team 1', 'Agg.', 'Team 2', '1st leg', '2nd leg']
Types: ['text', 'text', 'text', 'text', 'text']
Sample row: ['Roma', '2–6', 'Shakhtar Donetsk', '2–3', '0–3']
SQL:

assistant: SELECT "Team 1" FROM "Table" WHERE "Team 2" = 'Manchester United';