CREATE TABLE table_12704 ("Tie no" TEXT, "Home team" TEXT, "Score" TEXT, "Away team" TEXT, "Attendance" TEXT)

Who was the home team that played against Armthorpe Welfare?
SELECT "Home team" FROM table_12704 WHERE "Away team" = 'armthorpe welfare'
SELECT "Home team" FROM "table_12704" WHERE "Away team" = 'armthorpe welfare'