After 1999, who played Men's Doubles when Kasper Ipsen played Men's Singles?
CREATE TABLE "winners" (
  "year" real,
  "men_s_singles" text,
  "women_s_singles" text,
  "men_s_doubles" text,
  "women_s_doubles" text,
  "mixed_doubles" text
);
SELECT "men_s_doubles" FROM "winners" WHERE "year">1999 AND "men_s_singles"='kasper ipsen';