In the round that had a 2nd leg score of 0-2, what did they score for the 1st leg?
CREATE TABLE "preliminary_round_ii" (
  "team_num1" text,
  "agg" text,
  "team_num2" text,
  "1st_leg" text,
  "2nd_leg" text
);
SELECT "1st_leg" FROM "preliminary_round_ii" WHERE "2nd_leg"='0-2';