user: Question: When the away team scored 16.21 (117), what was the home teams score?
Columns: ['Home team', 'Home team score', 'Away team', 'Away team score', 'Venue', 'Crowd', 'Date']
Types: ['text', 'text', 'text', 'text', 'text', 'real', 'text']
Sample row: ['Richmond', '20.10 (130)', 'Fitzroy', '13.11 (89)', 'VFL Park', 38686.0, '20 March 1982']
SQL:

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