Question: WHAT TEAM 1 HAS A 1st leg of 1–1, and a 2nd leg of 1–3?
SQL: SELECT "Team 1" FROM "2-17074170-5" WHERE "1st leg" = '1–1' AND "2nd leg" = '1–3';

Question: WHAT IS THE 1ST LEG WITH TEAM 2 AS Athletic?
SQL: SELECT "1st leg" FROM "2-17074170-5" WHERE "Team 2" = 'Athletic';

Question: WHAT IS THE 2ND LEG WITH TEAM 1 OF Sporting?
SQL: SELECT "2nd leg" FROM "2-17074170-5" WHERE "Team 1" = 'Sporting';