CREATE TABLE table_53758 ("Team 1" TEXT, "Agg." TEXT, "Team 2" TEXT, "1st leg" TEXT, "2nd leg" TEXT)

Which was the team 1 that had a team 2 which was avigliano (basilicata)?
SELECT "Team 1" FROM table_53758 WHERE "Team 2" = 'avigliano (basilicata)'
SELECT "Team 1" FROM "table_53758" WHERE "Team 2" = 'avigliano (basilicata)'