user: Question: When was the game at Essendon?
Columns: ['Home team', 'Home team score', 'Away team', 'Away team score', 'Venue', 'Crowd', 'Date']
Types: ['text', 'text', 'text', 'text', 'text', 'real', 'text']
Sample row: ['Collingwood', '16.5 (101)', 'Melbourne', '11.17 (83)', 'Victoria Park', 7000.0, '18 June 1932']
SQL:

assistant: SELECT "Date" FROM "Table" WHERE "Away team" = 'Essendon';