user: Question: What tournament did the Crusaders play in?
Columns: ['Date', 'Venue', 'Opponent', 'Result', 'Tournament', 'Scored']
Types: ['text', 'text', 'text', 'text', 'text', 'real']
Sample row: ['28 March 2004', 'Griffin Park', 'Salford', '35-30', 'Super League', 1.0]
SQL:

assistant: SELECT "Tournament" FROM "Table" WHERE "Opponent" = 'Crusaders';