Which Recopa 1994 has a Supercopa 1994 of 1st round, and a Team of argentinos juniors?
CREATE TABLE "argentine_clubs_in_international_competi" (
  "team" text,
  "recopa_1994" text,
  "supercopa_1994" text,
  "conmebol_1994" text,
  "copa_libertadores_1995" text
);
SELECT "recopa_1994" FROM "argentine_clubs_in_international_competi" WHERE "supercopa_1994"='1st round' AND "team"='argentinos juniors';