user: Question: What was the smallest crowd for a Melbourne away game?
Columns: ['Home team', 'Home team score', 'Away team', 'Away team score', 'Venue', 'Crowd', 'Date']
Types: ['text', 'text', 'text', 'text', 'text', 'real', 'text']
Sample row: ['Essendon', '29.7 (181)', 'South Melbourne', '10.16 (76)', 'Windy Hill', 22000.0, '29 April 1950']
SQL:

assistant: SELECT MIN("Crowd") FROM "Table" WHERE "Away team" = 'Melbourne';