CREATE TABLE table_46841 ("Tie no" CLOB, "Home team" CLOB, "Score" CLOB, "Away team" CLOB, "Date" CLOB)

What was the tie no when Watford was the away team?
SELECT "Tie no" FROM table_46841 WHERE "Away team" = 'watford'
SELECT "Tie no" FROM "table_46841" WHERE "Away team" = 'watford'