CREATE TABLE table_42375 ("Team 1" TEXT, "Agg." TEXT, "Team 2" TEXT, "1st leg" TEXT, "2nd leg" TEXT)

Which team 1 has vfl gummersbach as team 2?
SELECT "Team 1" FROM table_42375 WHERE "Team 2" = 'vfl gummersbach'
SELECT "Team 1" FROM "table_42375" WHERE "Team 2" = 'vfl gummersbach'