CREATE TABLE table_24345 ("Team #1" TEXT, "Agg. score" TEXT, "Team #2" TEXT, "1st leg" TEXT, "2nd leg" TEXT)

give the 1st leg score against ilisiakos
SELECT "1st leg" FROM table_24345 WHERE "Team #2" = 'Ilisiakos'
SELECT "1st leg" FROM "table_24345" WHERE "Team #2" = 'Ilisiakos'