CREATE TABLE table_name_63 (opponent VARCHAR2, location_attendance VARCHAR2, date VARCHAR2)

Which Opponent has a Location/Attendance of delta center/19,911 on dec 6?
SELECT opponent FROM table_name_63 WHERE location_attendance = "delta center/19,911" AND date = "dec 6"
SELECT "opponent" FROM "table_name_63" WHERE "date" = "dec 6" AND "delta center/19,911" = "location_attendance"