user: Question: What player was the champion in the match where E.A. Lassen was the runner-up?
Columns: ['Year', 'Venue', 'Champion', 'Country', 'Score', 'Runner-up']
Types: ['text', 'text', 'text', 'text', 'text', 'text']
Sample row: ['2013', 'Royal Cinque Ports Golf Club', 'Garrick Porteous', 'England', '6 & 5', 'Toni Hakula']
SQL:

assistant: SELECT "Champion" FROM "Table" WHERE "Runner-up" = 'E.A. Lassen';