What's the date when Yelena Isinbayeva for Russia was in Beijing, China?
CREATE TABLE "women" (
  "event" text,
  "performance" text,
  "athlete" text,
  "nation" text,
  "place" text,
  "date" text
);
SELECT "date" FROM "women" WHERE "nation"='russia' AND "place"='beijing, china' AND "athlete"='yelena isinbayeva';