Question: What is Agg., when Team 1 is CD Elá Nguema?
SQL: SELECT "Agg." FROM "2-16218498-1" WHERE "Team 1" = 'CD Elá Nguema';

Question: What is 1st Leg, when 2nd Leg is 1-3?
SQL: SELECT "1st leg" FROM "2-16218498-1" WHERE "2nd leg" = '1-3';

Question: What is 1st Leg, when 2nd Leg is 0-1?
SQL: SELECT "1st leg" FROM "2-16218498-1" WHERE "2nd leg" = '0-1';

Question: What is Team 2, when 2nd Leg is 1-0?
SQL: SELECT "Team 2" FROM "2-16218498-1" WHERE "2nd leg" = '1-0';

Question: What is Team 2, when 2nd Leg is 2-1?
SQL: SELECT "Team 2" FROM "2-16218498-1" WHERE "2nd leg" = '2-1';

Question: What is Team 2, when 2nd Leg is 0-3 1?
SQL: SELECT "Team 2" FROM "2-16218498-1" WHERE "2nd leg" = '0-3 1';