CREATE TABLE "champion_9" (
  "date" text,
  "tournament" text,
  "surface" text,
  "partnering" text,
  "opponents_in_the_final" text,
  "score" text
);

Question: When has a Score of 6–3, 6–4?
SQL: SELECT "date" FROM "champion_9" WHERE "score"='6–3, 6–4';

Question: WHich Score has marcelo filippini mark koevermans?
SQL: SELECT "score" FROM "champion_9" WHERE "opponents_in_the_final"='marcelo filippini mark koevermans';

Question: WHich Tournament  has a Partnering of diego pérez and a Opponents in the final of christer allgardh carl limberger?
SQL: SELECT "tournament" FROM "champion_9" WHERE "partnering"='diego pérez' AND "opponents_in_the_final"='christer allgardh carl limberger';

Question: Which Opponents in the final has a Partnering of tomás carbonell on march 28, 1995?
SQL: SELECT "opponents_in_the_final" FROM "champion_9" WHERE "partnering"='tomás carbonell' AND "date"='march 28, 1995';

Question: What is the Score of an Opponent\ in the final of jordi arrese àlex corretja?
SQL: SELECT "score" FROM "champion_9" WHERE "opponents_in_the_final"='jordi arrese àlex corretja';