user: Question: What home team played at MCG?
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', '12.10 (82)', 'North Melbourne', '12.4 (76)', 'MCG', 19498.0, '4 May 1968']
SQL:

assistant: SELECT "Away team" FROM "Table" WHERE "Venue" = 'MCG';