user: Question: What is the crowd size of the game when fitzroy is the away team?
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', '9.17 (71)', 'North Melbourne', '8.4 (52)', 'Glenferrie Oval', 13000.0, '20 August 1960']
SQL:

assistant: SELECT "Crowd" FROM "Table" WHERE "Away team" = 'fitzroy';