user: Question: Who faced off against St Kilda at their home?
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', '18.19 (127)', 'South Melbourne', '8.8 (56)', 'MCG', 18594.0, '22 April 1972']
SQL:

assistant: SELECT "Away team score" FROM "Table" WHERE "Home team" = 'St Kilda';