user: Question: What's the date when Yelena Isinbayeva for Russia was in Beijing, China?
Columns: ['Event', 'Performance', 'Athlete', 'Nation', 'Place', 'Date']
Types: ['text', 'text', 'text', 'text', 'text', 'text']
Sample row: ['5000 m', '14:11.15', 'Tirunesh Dibaba', 'Ethiopia', 'Oslo , Norway', 'June 6']
SQL:

assistant: SELECT "Date" FROM "Table" WHERE "Nation" = 'Russia' AND "Place" = 'Beijing, China' AND "Athlete" = 'Yelena Isinbayeva';