user: Question: What home team has an Away team of Richmond?
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', '7.18 (60)', 'Richmond', '8.17 (65)', 'Arden Street Oval', 11500.0, '28 April 1945']
SQL:

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