Which tournament has an Outcome of runner-up, a Surface of hard, and a Score of 6–4, 6–2?
CREATE TABLE "singles_7_3_4" (
  "outcome" text,
  "date" text,
  "tournament" text,
  "surface" text,
  "opponent" text,
  "score" text
);
SELECT "tournament" FROM "singles_7_3_4" WHERE "outcome"='runner-up' AND "surface"='hard' AND "score"='6–4, 6–2';