user: ### NOW ANSWER:
Question: In which year were the authors or editors Delia Sherman?
Columns: ['Year', 'Author(s) or Editor(s)', 'Book Title', 'Publisher', 'Category', 'Result']
Types: ['real', 'text', 'text', 'text', 'text', 'text']
Sample row: [1989.0, 'Michael Nava', 'Goldenboy', 'Alyson', 'Gay M/SF', 'Won [A ]']
SQL:

assistant: SELECT MAX("Year") FROM "Table" WHERE "Author(s) or Editor(s)" = 'Delia Sherman';