user: Question: What is the home team of the game where Geelong was the away team?
Columns: ['Home team', 'Home team score', 'Away team', 'Away team score', 'Venue', 'Date']
Types: ['text', 'text', 'text', 'text', 'text', 'text']
Sample row: ['Melbourne', '7.12 (54)', 'University', '8.10 (58)', 'MCG', '1 August 1908']
SQL:

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