Question: Which Team 1 has a 2nd leg of 1-3?
SQL: SELECT "Team 1" FROM "2-17659558-2" WHERE "2nd leg" = '1-3';

Question: What is the Agg for 1st Leg 1-2 and 2nd leg of Withdrew?
SQL: SELECT "Agg." FROM "2-17659558-2" WHERE "1st leg" = '1-2' AND "2nd leg" = 'Withdrew';

Question: What is the 2nd leg if the 1st leg is 3-1 and the Team 2 is Union Sportive de la Médina d'Alger?
SQL: SELECT "2nd leg" FROM "2-17659558-2" WHERE "1st leg" = '3-1' AND "Team 2" = 'Union Sportive de la Médina d''Alger';

Question: What is Team 2 if the 1st Leg is 3-1 and the 2nd Leg is 4-1?
SQL: SELECT "Team 2" FROM "2-17659558-2" WHERE "1st leg" = '3-1' AND "2nd leg" = '4-1';