user: Question: What opponent played on the 28th with a venue of Away?
Columns: ['Date', 'Opponent', 'Venue', 'Result', 'Competition']
Types: ['text', 'text', 'text', 'text', 'text']
Sample row: ['13th', 'Telford Tigers', 'Home', '8-2 W', 'Challenge']
SQL:

assistant: SELECT "Opponent" FROM "Table" WHERE "Venue" = 'Away' AND "Date" = '28th';