user: Question: what is the away team score when the home team is 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: ['Fitzroy', '15.13 (103)', 'Melbourne', '17.13 (115)', 'Junction Oval', 11131.0, '1 May 1976']
SQL:

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