user: Question: Who played Richmond at home?
Columns: ['Home team', 'Home team score', 'Away team', 'Away team score', 'Ground', 'Crowd', 'Date', 'Report']
Types: ['text', 'text', 'text', 'text', 'text', 'real', 'text', 'text']
Sample row: ['Fremantle', '12.8 (80)', 'Collingwood', '8.8 (56)', 'Subiaco', 35106.0, 'Friday 29 August', 'AFL.com.au']
SQL:

assistant: SELECT "Home team" FROM "Table" WHERE "Away team" = 'Richmond';