user: Question: How many people watch at western oval venue?
Columns: ['Home team', 'Home team score', 'Away team', 'Away team score', 'Venue', 'Crowd', 'Date']
Types: ['text', 'text', 'text', 'text', 'text', 'real', 'text']
Sample row: ['North Melbourne', '13.11 (89)', 'St Kilda', '14.9 (93)', 'Arden Street Oval', 10000.0, '3 August 1957']
SQL:

assistant: SELECT SUM("Crowd") FROM "Table" WHERE "Venue" = 'western oval';