CREATE TABLE table_name_21 (high_assists VARCHAR2, game VARCHAR2, record VARCHAR2)

Which High assists have a Game larger than 21, and a Record of 18-6?
SELECT high_assists FROM table_name_21 WHERE game > 21 AND record = "18-6"
SELECT "high_assists" FROM "table_name_21" WHERE "18-6" = "record" AND "game" > 21