user: Question: What is the away team with a 4 tie no.?
Columns: ['Tie no', 'Home team', 'Score', 'Away team', 'Date']
Types: ['text', 'text', 'text', 'text', 'text']
Sample row: ['1', 'Southampton', '0–0', 'Everton', '14 February 1981']
SQL:

assistant: SELECT "Away team" FROM "Table" WHERE "Tie no" = '4';