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

Question: What is the men's doubles for 2003?
SQL: SELECT "men_s_doubles" FROM "past_winners" WHERE "year"=2003;

Question: What is the mixed doubles in the year 2007 when the men's singles is eduards loze?
SQL: SELECT "mixed_doubles" FROM "past_winners" WHERE "year">2007 AND "men_s_singles"='eduards loze';