user: Question: How big of a crowd does the home team of Essendon have?
Columns: ['Home team', 'Home team score', 'Away team', 'Away team score', 'Venue', 'Crowd', 'Date']
Types: ['text', 'text', 'text', 'text', 'text', 'real', 'text']
Sample row: ['Fitzroy', '14.9 (93)', 'South Melbourne', '12.19 (91)', 'Junction Oval', 16971.0, '6 June 1970']
SQL:

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