CREATE TABLE table_76354 ("Tie no" CLOB, "Home team" CLOB, "Score" CLOB, "Away team" CLOB, "Date" CLOB)

Who was the away team against the home team Sheffield United?
SELECT "Away team" FROM table_76354 WHERE "Home team" = 'sheffield united'
SELECT "Away team" FROM "table_76354" WHERE "Home team" = 'sheffield united'