user: Question: What shows for Unit with a status of Nomen oblitum?
Columns: ['Name', 'Novelty', 'Status', 'Authors', 'Unit', 'Location']
Types: ['text', 'text', 'text', 'text', 'text', 'text']
Sample row: ['Brachiosaurus', 'gen et sp', 'Valid', 'Riggs', 'Morrison Formation , Colorado', 'USA']
SQL:

assistant: SELECT "Unit" FROM "Table" WHERE "Status" = 'Nomen oblitum';