user: Question: Which Home team has an Away team of 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: ['Melbourne', '25.16 (166)', 'North Melbourne', '5.14 (44)', 'MCG', 12906.0, '5 June 1937']
SQL:

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