user: Question: What is the Round with a Opponent with Blackburn?
Columns: ['Round', 'Date', 'Opponent', 'Venue', 'Result']
Types: ['text', 'text', 'text', 'text', 'text']
Sample row: ['3', '8 January 2002', 'Wimbledon', 'Away', 'Drew 0-0']
SQL:

assistant: SELECT "Round" FROM "Table" WHERE "Opponent" = 'Blackburn';