user: Question: How large was the crowd at the Kardinia Park venue games?
Columns: ['Home team', 'Home team score', 'Away team', 'Away team score', 'Venue', 'Crowd', 'Date']
Types: ['text', 'text', 'text', 'text', 'text', 'real', 'text']
Sample row: ['Fitzroy', '9.13 (67)', 'St Kilda', '11.11 (77)', 'Brunswick Street Oval', 18544.0, '4 May 1963']
SQL:

assistant: SELECT SUM("Crowd") FROM "Table" WHERE "Venue" = 'Kardinia Park';