CREATE TABLE "past_winners" (
  "year" real,
  "mens_singles" text,
  "womens_singles" text,
  "mens_doubles" text,
  "womens_doubles" text,
  "mixed_doubles" text
);

Question: What is the result of men's doubles when there was no competition?
SQL: SELECT "mixed_doubles" FROM "past_winners" WHERE "mens_doubles"='no competition';

Question: WHo won men's singles in 1994?
SQL: SELECT "mens_singles" FROM "past_winners" WHERE "year"=1994;

Question: Who won women's singles in 2001?
SQL: SELECT "womens_singles" FROM "past_winners" WHERE "year"=2001;