user: Question: What was the smallest crowd size for the match played at 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: ['Fitzroy', '17.11 (113)', 'South Melbourne', '11.11 (77)', 'Brunswick Street Oval', 8000.0, '2 June 1928']
SQL:

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