user: Question: On what date did the home team Essendon play?
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', '10.9 (69)', 'Richmond', '14.8 (92)', 'Kardinia Park', 18177.0, '29 June 1957']
SQL:

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