user: Question: What is the place and when was the year when the women's doubles womens were Bai Yang Niu Jianfeng?
Columns: ['Year Location', 'Mens Singles', 'Womens Singles', 'Mens Doubles', 'Womens Doubles']
Types: ['text', 'text', 'text', 'text', 'text']
Sample row: ['2011 Stockholm', 'Ma Long', 'Guo Yan', 'Wang Liqin Yan An', 'Guo Yan Guo Yue']
SQL:

assistant: SELECT "Year Location" FROM "Table" WHERE "Womens Doubles" = 'Bai Yang Niu Jianfeng';