user: Question: who is the away team when the tie no is 7?
Columns: ['Tie no', 'Home team', 'Score', 'Away team', 'Date']
Types: ['text', 'text', 'text', 'text', 'text']
Sample row: ['1', 'Southampton', '3–1', 'Blackpool', '24 January 1976']
SQL:

assistant: SELECT "Away team" FROM "Table" WHERE "Tie no" = '7';