Name the tour when mens singles is chen jin and womens doubles is zhang yawen zhao tingting
CREATE TABLE "winners" (
  "tour" text,
  "mens_singles" text,
  "womens_singles" text,
  "mens_doubles" text,
  "womens_doubles" text,
  "mixed_doubles" text
);
SELECT "tour" FROM "winners" WHERE "mens_singles"='Chen Jin' AND "womens_doubles"='Zhang Yawen Zhao Tingting';