user: Question: What is the name of the home team that played against Collingwood?
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', '26.16 (172)', 'North Melbourne', '15.7 (97)', 'Corio Oval', 7000.0, '29 June 1935']
SQL:

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