CREATE TABLE table_22029 ("Home  ( 1st leg ) " TEXT, "Home  ( 2nd leg ) " TEXT, "1st Leg" TEXT, "2nd leg" TEXT, "Aggregate" TEXT)

For home of River Plate, what is the first leg listed?
SELECT "1st Leg" FROM table_22029 WHERE "Home (2nd leg)" = 'River Plate'
SELECT "1st Leg" FROM "table_22029" WHERE "Home (2nd leg)" = 'River Plate'