Table:
text: 2007–08 Detroit Pistons season
Regular season
December
Game Date_ Team Score High_points High_rebounds High_assists Location_Attendance Record
20 December 9 Charlotte W 104–85 Billups (20) McDyess (9) Billups (6) The Palace of Auburn Hills 22,076 14–6
21 December 11 @ Memphis W 113–103 Billups (28) Prince (7) Billups (14) FedExForum 11,962 15–6
22 December 12 @ Houston L 80–77 Wallace (21) Maxiell (13) Billups (7) Toyota Center 17,453 15–7
23 December 14 Atlanta W 91–81 Billups (23) McDyess (14) Prince (5) The Palace of Auburn Hills 22,076 16–7
24 December 16 Golden State W 109–87 Prince (23) McDyess (11) Hamilton (6) The Palace of Auburn Hills 22,076 17–7
25 December 19 @ Boston W 87–85 Billups (28) Wallace (13) Billups (8) TD Banknorth Garden 18,624 18–7

Question: As of December 2007-2008 the Detroit Pistons regular season, what date did the team play in Memphis?

Question: Name the person from the 2007-08 Detroit Pistons regular season who had the best assists on December 12?