Table: pistons_game_stats_12
Columns: game
date
team
score
high_points
high_rebounds
high_assists
location_attendance
record

Question: Who had the most assists agains New Orleans?
SQL: SELECT "high_assists" FROM pistons_game_stats_12 WHERE "team" = 'New Orleans'

Question: For how many games on December 19 is there information on who scored the most rebounds?
SQL: SELECT COUNT("high_rebounds") FROM pistons_game_stats_12 WHERE "date" = 'December 19'