CREATE TABLE "first_qualifying_round" (
  "team_1" text,
  "agg" text,
  "team_2" text,
  "1st_leg" text,
  "2nd_leg" text
);

Question: What is the team 2 for team 1 of Valletta?
SQL: SELECT "team_2" FROM "first_qualifying_round" WHERE "team_1"='valletta';