user: Question: What day did the VFL pay 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', '12.9 (81)', 'St Kilda', '12.12 (84)', 'MCG', 40572.0, '6 May 1961']
SQL:

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