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

Question: Who is the mixed doubled on the tour korea super series?
SQL: SELECT "mixed_doubles" FROM "winners" WHERE "tour"='Korea Super Series';

Question: Who is the women's doubles when the mixed doubles are sudket prapakamol saralee thungthongkam?
SQL: SELECT "womens_doubles" FROM "winners" WHERE "mixed_doubles"='Sudket Prapakamol Saralee Thungthongkam';

Question: Who were the womens doubles when the mixed doubles were zhang nan zhao yunlei on the tour all england super series?
SQL: SELECT "womens_doubles" FROM "winners" WHERE "mixed_doubles"='Zhang Nan Zhao Yunlei' AND "tour"='All England Super Series';

Question: Who is the womens doubles on the tour french super series?
SQL: SELECT "womens_doubles" FROM "winners" WHERE "tour"='French Super Series';