user: Question: Where was the venue that Linfield was the opponent?
Columns: ['Date', 'Opponent', 'Venue', 'Result', 'Attendance']
Types: ['text', 'text', 'text', 'text', 'real']
Sample row: ['16 July 2003', 'Greuther Fürth', 'N', '2–0', 3500.0]
SQL:

assistant: SELECT "Venue" FROM "Table" WHERE "Opponent" = 'Linfield';