CREATE TABLE table_36491 ("Team 1" TEXT, "Agg." TEXT, "Team 2" TEXT, "1st leg" TEXT, "2nd leg" TEXT)

What is the 2nd leg where Team 2 is fc 105 libreville?
SELECT "2nd leg" FROM table_36491 WHERE "Team 2" = 'fc 105 libreville'
SELECT "2nd leg" FROM "table_36491" WHERE "Team 2" = 'fc 105 libreville'