user: Question: Who was the away team when 6 was the tie no?
Columns: ['Tie no', 'Home team', 'Score', 'Away team', 'Date']
Types: ['text', 'text', 'text', 'text', 'text']
Sample row: ['1', 'Bournemouth', '2–2', 'Hereford United', '13 December 1975']
SQL:

assistant: SELECT "Away team" FROM "Table" WHERE "Tie no" = '6';