user: Question: Who was the away team on Sunday, 13 February?
Columns: ['Home team', 'Home team score', 'Away team', 'Away team score', 'Ground', 'Crowd', 'Date']
Types: ['text', 'text', 'text', 'text', 'text', 'real', 'text']
Sample row: ['Adelaide', '17.5 (107)', 'Melbourne', '19.11 (125)', 'Football Park', 12239.0, 'Sunday, 30 January']
SQL:

assistant: SELECT "Away team" FROM "Table" WHERE "Date" = 'Sunday, 13 February';