CREATE TABLE table_43538 ("Tie no" CLOB, "Home team" CLOB, "Score" CLOB, "Away team" CLOB, "Date" CLOB)

Which tie number has Bolton Wanderers as away?
SELECT "Tie no" FROM table_43538 WHERE "Away team" = 'bolton wanderers'
SELECT "Tie no" FROM "table_43538" WHERE "Away team" = 'bolton wanderers'