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

Question: What is the first leg score when team 2 is Wagad Mogadishu?
SQL: SELECT "1st_leg" FROM "preliminary_round" WHERE "team_2"='wagad mogadishu';

Question: What is the first leg score when the second leg score is 0-4?
SQL: SELECT "1st_leg" FROM "preliminary_round" WHERE "2nd_leg"='0-4';

Question: What is the first leg score when the second leg score is 0-4?
SQL: SELECT "1st_leg" FROM "preliminary_round" WHERE "2nd_leg"='0-4';