What is the 1st leg when team number 1 is CSU SIBIU?
CREATE TABLE "first_qualifying_round" (
  "team_num1" text,
  "agg" text,
  "team_num2" text,
  "1st_leg" text,
  "2nd_leg" text
);
SELECT "1st_leg" FROM "first_qualifying_round" WHERE "team_num1"='csu sibiu';