user: Question: Is  Wireless Combo keyboard and mouse support part of the DDM class?
Columns: ['Comparisons', 'Hub Base Class', 'Emulated Class', 'Semi-DDM Class', 'DDM Class']
Types: ['text', 'text', 'text', 'text', 'text']
Sample row: ['USB RE-Enumeration Required', 'Required on every switch of port', 'NO, only for keyboard/mouse', 'NO, for all USB-HID devices', 'NO, for all USB-HID devices']
SQL:

assistant: SELECT "DDM Class" FROM "Table" WHERE "Comparisons" = 'Wireless Combo keyboard and mouse support';