Question: Who is team 1 when 2nd leg score is 1-3 and ASEC Mimosas is Team 2?
SQL: SELECT "Team 1" FROM "2-12489760-2" WHERE "2nd leg" = '1-3' AND "Team 2" = 'ASEC Mimosas';

Question: What is the 1st leg score when 2nd leg score is 3-3?
SQL: SELECT "1st leg" FROM "2-12489760-2" WHERE "2nd leg" = '3-3';

Question: What is the 1st leg score when US Mbila Nzambi is team 1?
SQL: SELECT "1st leg" FROM "2-12489760-2" WHERE "Team 1" = 'US Mbila Nzambi';