CREATE TABLE table_23611 ("Year" FLOAT, "Author ( s )  or Editor ( s ) " CLOB, "Book Title" CLOB, "Publisher" CLOB, "Category" CLOB, "Result" CLOB)

In which year were the authors or editors Delia Sherman?
SELECT MAX("Year") FROM table_23611 WHERE "Author(s) or Editor(s)" = 'Delia Sherman'
SELECT MAX("Year") FROM "table_23611" WHERE "Author(s) or Editor(s)" = 'Delia Sherman'