user: Question: What was the away team score when the home team Essendon was playing?
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', '13.13 (91)', 'Richmond', '16.14 (110)', 'MCG', 37667.0, '5 May 1973']
SQL:

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