CREATE TABLE table_53843 ("Team 1" TEXT, "Agg." TEXT, "Team 2" TEXT, "1st leg" TEXT, "2nd leg" TEXT)

who is the team 2 when the team 1 is sestese(e16)?
SELECT "Team 2" FROM table_53843 WHERE "Team 1" = 'sestese(e16)'
SELECT "Team 2" FROM "table_53843" WHERE "Team 1" = 'sestese(e16)'