user: ### NOW ANSWER:
Question: What is the novel that has a Valid status, located in Mongolia, and named Prenocephale?
Columns: ['Name', 'Novelty', 'Status', 'Authors', 'Location']
Types: ['text', 'text', 'text', 'text', 'text']
Sample row: ['Chubutisaurus', 'gen et sp nov', 'Valid', 'del Corro', 'Argentina']
SQL:

assistant: SELECT "Novelty" FROM "Table" WHERE "Status" = 'Valid' AND "Location" = 'Mongolia' AND "Name" = 'Prenocephale';