user: Question: Who was the home team when Melbourne was the away team?
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', '23.15 (153)', 'St Kilda', '7.10 (52)', 'Punt Road Oval', 13000.0, '28 June 1947']
SQL:

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