user: Question: Which away team had more than 17903 spectators and played Melbourne?
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', '23.18 (156)', 'St Kilda', '6.16 (52)', 'Arden Street Oval', 16258.0, '15 May 1982']
SQL:

assistant: SELECT "Away team score" FROM "Table" WHERE "Crowd" > 17903.0 AND "Home team" = 'Melbourne';