user: Question: What date did the VFL play Punt Road Oval?
Columns: ['Home team', 'Home team score', 'Away team', 'Away team score', 'Venue', 'Crowd', 'Date']
Types: ['text', 'text', 'text', 'text', 'text', 'real', 'text']
Sample row: ['Geelong', '19.21 (135)', 'South Melbourne', '8.7 (55)', 'Kardinia Park', 16500.0, '1 July 1950']
SQL:

assistant: SELECT "Date" FROM "Table" WHERE "Venue" = 'Punt Road Oval';