user: Question: In the match where Geelong was the away team, who was the home 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', '23.16 (154)', 'North Melbourne', '9.8 (62)', 'Glenferrie Oval', 9112.0, '7 August 1971']
SQL:

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