CREATE TABLE "winners" (
  "tour" text,
  "mens_singles" text,
  "womens_singles" text,
  "mens_doubles" text,
  "womens_doubles" text,
  "mixed_doubles" text
);

Question: Name the womens singles for korea open super series
SQL: SELECT "womens_singles" FROM "winners" WHERE "tour"='Korea Open Super Series';

Question: Name the tour when mens singles is chen jin and womens doubles is zhang yawen zhao tingting
SQL: SELECT "tour" FROM "winners" WHERE "mens_singles"='Chen Jin' AND "womens_doubles"='Zhang Yawen Zhao Tingting';

Question: Name the womens doubles when tour is malaysia super series
SQL: SELECT "womens_doubles" FROM "winners" WHERE "tour"='Malaysia Super Series';

Question: Name the mens singles when womens singles is wang lin and mixed doubles is joachim fischer nielsen christinna pedersen
SQL: SELECT "mens_singles" FROM "winners" WHERE "womens_singles"='Wang Lin' AND "mixed_doubles"='Joachim Fischer Nielsen Christinna Pedersen';

Question: Name the mixed doubles when tour is hong kong super series
SQL: SELECT "mixed_doubles" FROM "winners" WHERE "tour"='Hong Kong Super Series';

Question: Name the mixed doubles for zhu lin
SQL: SELECT "mixed_doubles" FROM "winners" WHERE "womens_singles"='Zhu Lin';