user: Question: Which away team had a venue of 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', '10.12 (72)', 'Richmond', '14.13 (97)', 'MCG', 35460.0, '30 July 1966']
SQL:

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