human
Considering the provided database schema and associated query, produce SQL code to retrieve the answer to the query. 
###Database Schema: Flat, Threaded, User-selectable themes, Calendar, Image attachment, Unread message tracking, WYSIWYG Editor
###Question: Which WYSIWYG Editor has a User-selectable themes of yes, and an Unread message tracking of session, and an Image attachment of plugin?
gpt
SELECT WYSIWYG Editor FROM table WHERE User-selectable themes = yes AND Unread message tracking = session AND Image attachment = plugin