CREATE TABLE table_48498 ("Tie no" CLOB, "Home team" CLOB, "Score" CLOB, "Away team" CLOB, "Date" CLOB)

Who played Blackpool when Blackpool was at home?
SELECT "Away team" FROM table_48498 WHERE "Home team" = 'blackpool'
SELECT "Away team" FROM "table_48498" WHERE "Home team" = 'blackpool'