CREATE TABLE "singles_finals_12_6_6" (
  "outcome" text,
  "date" real,
  "championship" text,
  "surface" text,
  "opponent_in_the_final" text,
  "score_in_the_final" text
);

Question: What is Score In The Final, when Championship is "Athens , Greece", and when Outcome is "Winner"?
SQL: SELECT "score_in_the_final" FROM "singles_finals_12_6_6" WHERE "championship"='athens , greece' AND "outcome"='winner';

Question: What is Opponent In The Final, when Date is before 1991, and when Outcome is "Runner-Up"?
SQL: SELECT "opponent_in_the_final" FROM "singles_finals_12_6_6" WHERE "date"<1991 AND "outcome"='runner-up';