CREATE TABLE table_77249 ("Tie no" CLOB, "Home team" CLOB, "Score" CLOB, "Away team" CLOB, "Attendance" CLOB)

Who were the away team in tie number 20?
SELECT "Away team" FROM table_77249 WHERE "Tie no" = '20'
SELECT "Away team" FROM "table_77249" WHERE "Tie no" = '20'