CREATE TABLE table_46781 ("Game" TEXT, "Date" TEXT, "Opponent" TEXT, "Score" TEXT, "Location/Attendance" TEXT, "Record" TEXT)

Which Opponent has a Location/Attendance of delta center/19,911 on dec 6?
SELECT "Opponent" FROM table_46781 WHERE "Location/Attendance" = 'delta center/19,911' AND "Date" = 'dec 6'
SELECT "Opponent" FROM "table_46781" WHERE "Date" = 'dec 6' AND "Location/Attendance" = 'delta center/19,911'