CREATE TABLE "doubles_champion_9" (
  "date" text,
  "tournament" text,
  "surface" text,
  "partnering" text,
  "opponent_in_the_final" text,
  "score" text
);

Question: What surface was played on with a score of 6–4, 6–3 and on 4 May 1992?
SQL: SELECT "surface" FROM "doubles_champion_9" WHERE "score"='6–4, 6–3' AND "date"='4 may 1992';

Question: What is the name of the tournament played 13 November 2000?
SQL: SELECT "tournament" FROM "doubles_champion_9" WHERE "date"='13 november 2000';

Question: Which tournament was played on 12 February 2001?
SQL: SELECT "tournament" FROM "doubles_champion_9" WHERE "date"='12 february 2001';