CREATE TABLE table_14137 ("Date" CLOB, "Opponent" CLOB, "Score" CLOB, "Record" CLOB, "Arena" CLOB)

At what arena was the September 21 game?
SELECT "Arena" FROM table_14137 WHERE "Date" = 'september 21'
SELECT "Arena" FROM "table_14137" WHERE "Date" = 'september 21'