CREATE TABLE table_21612 ("Game" FLOAT, "Date" CLOB, "Team" CLOB, "Score" CLOB, "High points" CLOB, "High rebounds" CLOB, "High assists" CLOB, "Location Attendance" CLOB, "Record" CLOB)

Chauncey Billups (6) had a high assist on what date?
SELECT "Date" FROM table_21612 WHERE "High assists" = 'Chauncey Billups (6)'
SELECT "Date" FROM "table_21612" WHERE "High assists" = 'Chauncey Billups (6)'