If the second leg is 1-1, what is the first leg?
CREATE TABLE "losers_knockout" (
  "home_1st_leg" text,
  "home_2nd_leg" text,
  "1st_leg" text,
  "2nd_leg" text,
  "aggregate" text
);
SELECT "home_1st_leg" FROM "losers_knockout" WHERE "2nd_leg"='1-1';