user: Question: Who was the centerfold model when a pictorial was done on Marilyn Monroe?
Columns: ['Date', 'Cover model', 'Centerfold model', 'Interview subject', '20 Questions', 'Pictorials']
Types: ['text', 'text', 'text', 'text', 'text', 'text']
Sample row: ['1-97', 'Marilyn Monroe', 'Jami Ferrell', 'Whoopi Goldberg', 'Mike Judge', 'Marilyn Monroe']
SQL:

assistant: SELECT "Centerfold model" FROM "Table" WHERE "Pictorials" = 'Marilyn Monroe';