user: Question: what is the average crowd when the away team is New Zealand Breakers and the venue is Cairns Convention Centre?
Columns: ['Date', 'Home team', 'Score', 'Away team', 'Venue', 'Crowd', 'Box Score', 'Report']
Types: ['text', 'text', 'text', 'text', 'text', 'real', 'text', 'text']
Sample row: ['12 November', 'South Dragons', '97-82', 'Adelaide 36ers', 'Hisense Arena', 3318.0, 'box score', 'report']
SQL:

assistant: SELECT AVG("Crowd") FROM "Table" WHERE "Away team" = 'New Zealand Breakers' AND "Venue" = 'Cairns Convention Centre';