What is the Opposition in the First Round of the UEFA Cup with a Score of 3–1 (h), 2–0 (a)?
CREATE TABLE "matches" (
  "season" text,
  "competition" text,
  "round" text,
  "opposition" text,
  "score" text
);
SELECT "opposition" FROM "matches" WHERE "round"='first round' AND "competition"='uefa cup' AND "score"='3–1 (h), 2–0 (a)';