user: Question: What venue has an attendance of 30824 at Essendon in 1984?
Columns: ['Season', 'Premier', 'Runner Up', 'Score', 'Venue', 'Attendance', 'Premiership']
Types: ['real', 'text', 'text', 'text', 'text', 'real', 'text']
Sample row: [1984.0, 'Essendon', 'Sydney Swans', '13.11 (89) – 5.8 (38)', 'Waverley Park', 30824.0, 'Night series']
SQL:

assistant: SELECT "Venue" FROM "Table" WHERE "Premier" = 'Essendon' AND "Attendance" = 30824.0;