user: Question: Who was the away team at the game where Footscray was the home team and the crowd was larger than 20200?
Columns: ['Home team', 'Home team score', 'Away team', 'Away team score', 'Venue', 'Crowd', 'Date']
Types: ['text', 'text', 'text', 'text', 'text', 'real', 'text']
Sample row: ['Hawthorn', '11.14 (80)', 'Melbourne', '14.12 (96)', 'Glenferrie Oval', 18000.0, '7 July 1962']
SQL:

assistant: SELECT "Away team" FROM "Table" WHERE "Crowd" > 20200.0 AND "Home team" = 'Footscray';