user: Question: Which Crowd has a Away team of Sydney?
Columns: ['Home team', 'Home team score', 'Away team', 'Away team score', 'Ground', 'Crowd', 'Date']
Types: ['text', 'text', 'text', 'text', 'text', 'real', 'text']
Sample row: ['Carlton', '27.9 (171)', 'Fitzroy', '13.8 (86)', 'North Hobart Oval', 10100.0, 'Sunday 3 February']
SQL:

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