user: Question: What is the name of the away team with a Tie no of 7?
Columns: ['Tie no', 'Home team', 'Score', 'Away team', 'Date']
Types: ['text', 'text', 'text', 'text', 'text']
Sample row: ['1', 'Sheffield Wednesday', '2–2', 'Chelsea', '9 March 1968']
SQL:

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