user: Question: At which venue did the away team score 15.9 (99)?
Columns: ['Home team', 'Home team score', 'Away team', 'Away team score', 'Venue', 'Crowd', 'Date']
Types: ['text', 'text', 'text', 'text', 'text', 'real', 'text']
Sample row: ['Hawthorn', '9.6 (60)', 'Richmond', '9.20 (74)', 'Glenferrie Oval', 10000.0, '25 June 1927']
SQL:

assistant: SELECT "Venue" FROM "Table" WHERE "Away team score" = '15.9 (99)';