CREATE TABLE table_50628 ("Team #1" TEXT, "Agg." TEXT, "Team #2" TEXT, "1st leg" TEXT, "2nd leg" TEXT)

Which Team #1 had a 1st leg of 78-78?
SELECT "Team #1" FROM table_50628 WHERE "1st leg" = '78-78'
SELECT "Team #1" FROM "table_50628" WHERE "1st leg" = '78-78'