user: Question: Which Score has a Away team of Walthamstow Avenue?
Columns: ['Tie no', 'Home team', 'Score', 'Away team', 'Date']
Types: ['text', 'text', 'text', 'text', 'text']
Sample row: ['1', 'Barrow', '2–2', 'Millwall', '6 December 1952']
SQL:

assistant: SELECT "Score" FROM "Table" WHERE "Away team" = 'Walthamstow Avenue';