user: Question: What tournament has an opponent Gan Teik Chai Lin Woon Fui?
Columns: ['Outcome', 'Year', 'Tournament', 'Partner', 'Opponent', 'Score']
Types: ['text', 'real', 'text', 'text', 'text', 'text']
Sample row: ['Runner-up', 2007.0, 'Indonesia Super Series', 'Mohd Fairuzizuan Mohd Tazari', 'Fu Haifeng Cai Yun', '17–21, 20–22']
SQL:

assistant: SELECT "Tournament" FROM "Table" WHERE "Opponent" = 'Gan Teik Chai Lin Woon Fui';