user: Question: What is the score of the away team that played 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: ['North Melbourne', '11.12 (78)', 'Richmond', '17.15 (117)', 'Arden Street Oval', 19114.0, '7 July 1973']
SQL:

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