When was the Result of 3–2, with a Score of 6–0, 6–4?
CREATE TABLE "fed_cup_results_10_8" (
  "year" real,
  "edition" text,
  "round" text,
  "date" text,
  "location" text,
  "surface" text,
  "against" text,
  "opponent_s" text,
  "score" text,
  "result" text
);
SELECT "date" FROM "fed_cup_results_10_8" WHERE "result"='3–2' AND "score"='6–0, 6–4';