user: Question: What was the crowd when the home team had a score of 16.21 (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: ['North Melbourne', '15.14 (104)', 'St Kilda', '7.5 (47)', 'Arden Street Oval', 9000.0, '5 August 1950']
SQL:

assistant: SELECT "Crowd" FROM "Table" WHERE "Home team score" = '16.21 (117)';