CREATE TABLE "singles_55_25_30" (
  "outcome" text,
  "date" real,
  "championship" text,
  "surface" text,
  "opponent" text,
  "score" text
);

Question: What was the surface later than 1979, for the Melbourne Indoor, Australia, and the score was 2–6, 6–2, 6–2?
SQL: SELECT "surface" FROM "singles_55_25_30" WHERE "date">1979 AND "championship"='melbourne indoor, australia' AND "score"='2–6, 6–2, 6–2';

Question: What is the earliest date when the championship was Monterrey WCT, Mexico?
SQL: SELECT MIN("date") FROM "singles_55_25_30" WHERE "championship"='monterrey wct, mexico';

Question: What is the score when the outcome was runner-up, earlier than 1975?
SQL: SELECT "score" FROM "singles_55_25_30" WHERE "outcome"='runner-up' AND "date"<1975;