CREATE TABLE table_43808 ("Tie no" CLOB, "Home team" CLOB, "Score" CLOB, "Away team" CLOB, "Attendance" CLOB)

WHAT'S THE TIE NUMBER WITH AN AWAY TEAM OF WREXHAM?
SELECT "Tie no" FROM table_43808 WHERE "Away team" = 'wrexham'
SELECT "Tie no" FROM "table_43808" WHERE "Away team" = 'wrexham'