CREATE TABLE table_68754 ("Date" TEXT, "Visiting Team" TEXT, "Final Score" TEXT, "Host Team" TEXT, "Stadium" TEXT)

Who was the visiting team who played at the hubert h. humphrey metrodome stadium?
SELECT "Visiting Team" FROM table_68754 WHERE "Stadium" = 'hubert h. humphrey metrodome'
SELECT "Visiting Team" FROM "table_68754" WHERE "Stadium" = 'hubert h. humphrey metrodome'