Which Opponents have a Score of 1–2, and a Team of arsenal, and Progress of first round?
CREATE TABLE "inter_cities_fairs_cup_uefa_cup_uefa_eur" (
  "year" text,
  "team" text,
  "progress" text,
  "score" text,
  "opponents" text
);
SELECT "opponents" FROM "inter_cities_fairs_cup_uefa_cup_uefa_eur" WHERE "score"='1–2' AND "team"='arsenal' AND "progress"='first round';