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: When did the Mixed double Women's singles of isabel rocha, from the year 1970, and a Women's doubles of isabel rocha ana margarida?
SQL: SELECT "mixed_doubles" FROM "past_winners" WHERE "women_s_singles"='isabel rocha' AND "year">1970 AND "women_s_doubles"='isabel rocha ana margarida';

Question: What was the Mixed doubles that has a Women's players of maria gomes zamy gomes, and men's players of fernando silva ricardo fernandes?
SQL: SELECT "mixed_doubles" FROM "past_winners" WHERE "women_s_doubles"='maria gomes zamy gomes' AND "men_s_doubles"='fernando silva ricardo fernandes';

Question: What was the Men's singles from the Year of 1966?
SQL: SELECT "men_s_singles" FROM "past_winners" WHERE "year"=1966;

Question: What was the Women's doubles that has a Men's singles of fernando silva, and in the year 1996?
SQL: SELECT "women_s_doubles" FROM "past_winners" WHERE "men_s_singles"='fernando silva' AND "year"<1996;

Question: What happened in the Men's doubles that had a Men's singles of marco vasconcelos, and a Year larger than 2000, and a Mixed doubles of alexandre paixão filipa lamy, and a Women's singles of telma santos?
SQL: SELECT "men_s_doubles" FROM "past_winners" WHERE "men_s_singles"='marco vasconcelos' AND "year">2000 AND "mixed_doubles"='alexandre paixão filipa lamy' AND "women_s_singles"='telma santos';