Question: Which WYSIWYG Editor has a User-selectable themes of Yes, and an Unread message tracking of Session, and an Image attachment of Plugin?
SQL: SELECT "WYSIWYG Editor" FROM "2-1423563-2" WHERE "User-selectable themes" = 'Yes' AND "Unread message tracking" = 'Session' AND "Image attachment" = 'Plugin';

Question: Which Calendar has WYSIWYG Editor of Yes and an Unread message tracking of Yes?
SQL: SELECT "Calendar" FROM "2-1423563-2" WHERE "WYSIWYG Editor" = 'Yes' AND "Unread message tracking" = 'Yes';

Question: Which WYSIWYG Editor has an Image attachment of Yes, and a Calendar of Plugin?
SQL: SELECT "WYSIWYG Editor" FROM "2-1423563-2" WHERE "Image attachment" = 'Yes' AND "Calendar" = 'Plugin';

Question: Which Calendar has a WYSIWYG Editor of No, and an Unread message tracking of Session, and an Image attachment of No?
SQL: SELECT "Calendar" FROM "2-1423563-2" WHERE "WYSIWYG Editor" = 'No' AND "Unread message tracking" = 'Session' AND "Image attachment" = 'No';

Question: Which Image attachment has a Threaded of Yes, and a Calendar of Yes?
SQL: SELECT "Image attachment" FROM "2-1423563-2" WHERE "Threaded" = 'Yes' AND "Calendar" = 'Yes';

Question: Which Calendar has a User-selectable themes of User-selectable themes?
SQL: SELECT "Calendar" FROM "2-1423563-2" WHERE "User-selectable themes" = 'User-selectable themes';