Name the mens singles for lee eun-sil moon hyun-jung
CREATE TABLE "brazil_open" (
  "year_location" text,
  "mens_singles" text,
  "womens_singles" text,
  "mens_doubles" text,
  "womens_doubles" text
);
SELECT "mens_singles" FROM "brazil_open" WHERE "womens_doubles"='Lee Eun-Sil Moon Hyun-Jung';