ASK WHERE { <http://dbpedia.org/resource/Mark_Twain_Tonight> <http://dbpedia.org/property/characters> <http://dbpedia.org/resource/Mark_Twain> }
Was Mark Twain a character of Mark Twain Tonight?
ASK WHERE { resource:Mark_Twain_Tonight property:characters resource:Mark_Twain }
Yes
[Yes], Mark Twain was a character of Mark Twain Tonight.
[Yes] Mark Twain was Mark Twain's character.
[Yes], the person is  the character of Mark Twain Tonight.
[Yes], the person is the character of Mark Twain tonight.