user: Question: What home team played Collingwood as 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: ['Geelong', '7.17 (59)', 'Hawthorn', '13.9 (87)', 'Corio Oval', 2500.0, '31 August 1935']
SQL:

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