CREATE TABLE table_name_69 (team VARCHAR(255), location_attendance VARCHAR(255), high_points VARCHAR(255))
What is Team, when Location Attendance is "Madison Square Garden Unknown", and when High Points is "Alonzo Mourning (24)"?
    
SQL: SELECT team FROM table_name_69 WHERE location_attendance = "madison square garden unknown" AND high_points = "alonzo mourning (24)"