CREATE TABLE table_13391 ("Game" FLOAT, "Date" CLOB, "Opponent" CLOB, "Score" CLOB, "High points" CLOB, "High rebounds" CLOB, "High assists" CLOB, "Location" CLOB, "Record" CLOB)

Which High assists have a Game larger than 21, and a Record of 18-6?
SELECT "High assists" FROM table_13391 WHERE "Game" > '21' AND "Record" = '18-6'
SELECT "High assists" FROM "table_13391" WHERE "Game" > '21' AND "Record" = '18-6'