user: Question: Can you tell me the lowest Crowd that has the Away team of Melbourne Tigers?
Columns: ['Date', 'Home team', 'Score', 'Away team', 'Venue', 'Crowd', 'Box Score', 'Report']
Types: ['text', 'text', 'text', 'text', 'text', 'real', 'text', 'text']
Sample row: ['24 February', 'South Dragons', '94-81', 'Townsville Crocodiles', 'Hisense Arena', 3613.0, 'box score', 'report']
SQL:

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