user: Question: What was the home team when Geelong was 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: ['Hawthorn', '10.9 (69)', 'Melbourne', '10.13 (73)', 'Glenferrie Oval', 20000.0, '15 August 1964']
SQL:

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