user: Question: who is the away team when the home team is Luton Town?
Columns: ['Tie no', 'Home team', 'Score', 'Away team', 'Attendance']
Types: ['text', 'text', 'text', 'text', 'text']
Sample row: ['1', 'Blackpool', '4–3', 'Blyth Spartans', '15 November 1997']
SQL:

assistant: SELECT "Away team" FROM "Table" WHERE "Home team" = 'Luton Town';