user: Question: Who played in Lake Oval while away?
Columns: ['Home team', 'Home team score', 'Away team', 'Away team score', 'Venue', 'Crowd', 'Date']
Types: ['text', 'text', 'text', 'text', 'text', 'real', 'text']
Sample row: ['Richmond', '21.20 (146)', 'St Kilda', '5.9 (39)', 'Punt Road Oval', 11000.0, '24 July 1948']
SQL:

assistant: SELECT "Away team" FROM "Table" WHERE "Venue" = 'Lake Oval';