CREATE TABLE table_8151 ("Game" FLOAT, "Date" TEXT, "Team" TEXT, "Score" TEXT, "High points" TEXT, "High rebounds" TEXT, "High assists" TEXT, "Location Attendance" TEXT, "Record" TEXT)

What date did Ben Gordon (8) have high assists?
SELECT "Date" FROM table_8151 WHERE "High assists" = 'ben gordon (8)'
SELECT "Date" FROM "table_8151" WHERE "High assists" = 'ben gordon (8)'