user: Question: What day is the venue the Western 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: ['Melbourne', '16.8 (104)', 'North Melbourne', '13.5 (83)', 'MCG', 20618.0, '19 May 1962']
SQL:

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