CREATE TABLE table_12743 ("Home  ( 1st leg ) " CLOB, "Home  ( 2nd leg ) " CLOB, "1st Leg" CLOB, "2nd leg" CLOB, "Aggregate" CLOB)

What was the 2nd leg that had the Estudiantes La Plata home for the 2nd leg?
SELECT "2nd leg" FROM table_12743 WHERE "Home (2nd leg)" = 'estudiantes la plata'
SELECT "2nd leg" FROM "table_12743" WHERE "Home (2nd leg)" = 'estudiantes la plata'