CREATE TABLE "previous_winners" (
  "year" real,
  "men_s_singles" text,
  "women_s_singles" text,
  "men_s_doubles" text,
  "women_s_doubles" text,
  "mixed_doubles" text
);

Question: Who played in the Mixed Doubles when Zhu Lin played in the Women's Singles?
SQL: SELECT "mixed_doubles" FROM "previous_winners" WHERE "women_s_singles"='zhu lin';

Question: Who was on the Men's Doubles Team in 2002?
SQL: SELECT "men_s_doubles" FROM "previous_winners" WHERE "year"=2002;

Question: Which year did Aya Ohori play in the Women's Singles?
SQL: SELECT "year" FROM "previous_winners" WHERE "women_s_singles"='aya ohori';