user: Question: At Junction Oval, what is the sum of the crowd?
Columns: ['Home team', 'Home team score', 'Away team', 'Away team score', 'Venue', 'Crowd', 'Date']
Types: ['text', 'text', 'text', 'text', 'text', 'real', 'text']
Sample row: ['St Kilda', '5.6 (36)', 'South Melbourne', '6.14 (50)', 'Moorabbin Oval', 16840.0, '12 July 1980']
SQL:

assistant: SELECT SUM("Crowd") FROM "Table" WHERE "Venue" = 'Junction Oval';