CREATE TABLE table_48290 ("Tie no" CLOB, "Home team" CLOB, "Score" CLOB, "Away team" CLOB, "Date" CLOB)

With Sheffield United as the away team and the date, what home team has a tie no of 15?
SELECT "Home team" FROM table_48290 WHERE "Tie no" = '15' AND "Away team" = 'sheffield united' AND "Date" = 'sheffield united'
SELECT "Home team" FROM "table_48290" WHERE "Away team" = 'sheffield united' AND "Date" = 'sheffield united' AND "Tie no" = '15'