user: Question: How many people attended Junction Oval?
Columns: ['Home team', 'Home team score', 'Away team', 'Away team score', 'Venue', 'Crowd', 'Date']
Types: ['text', 'text', 'text', 'text', 'text', 'real', 'text']
Sample row: ['Melbourne', '19.23 (137)', 'South Melbourne', '3.12 (30)', 'MCG', 16523.0, '27 May 1939']
SQL:

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