user: Question: On what date is the Crowd larger than  28049, and an Home team score of 17.15 (117)?
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', '16.20 (116)', 'South Melbourne', '11.13 (79)', 'Glenferrie Oval', 9842.0, '1 September 1973']
SQL:

assistant: SELECT "Date" FROM "Table" WHERE "Crowd" > 28049.0 AND "Home team score" = '17.15 (117)';