Who played men's doubles when gao ling huang sui played women's doubles in 2007?
CREATE TABLE "winners" (
  "year" text,
  "men_s_singles" text,
  "women_s_singles" text,
  "men_s_doubles" text,
  "women_s_doubles" text
);
SELECT "men_s_doubles" FROM "winners" WHERE "women_s_doubles"='gao ling huang sui' AND "year"='2007';