What is the lowest year that has all-ireland hurling final as the competition, and 6-08 (24) as the waterford score?
CREATE TABLE "previous_championship_encounters" (
  "year" real,
  "venue" text,
  "competition" text,
  "kilkenny_score" text,
  "waterford_score" text
);
SELECT MIN("year") FROM "previous_championship_encounters" WHERE "competition"='all-ireland hurling final' AND "waterford_score"='6-08 (24)';