user: Question: Which Away team has a Home 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: ['Geelong', '8.15 (63)', 'North Melbourne', '12.14 (86)', 'Kardinia Park', 17200.0, '18 April 1959']
SQL:

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