Question: What are some other children of the father of Marvin Bush?
SPARQL query: SELECT DISTINCT ?uri WHERE { ?x <http://dbpedia.org/ontology/child> <http://dbpedia.org/resource/Marvin_Bush> . ?x <http://dbpedia.org/property/children> ?uri  . }
Answer: The children of the people whose one child is Marvin Bush are [6, Neil Bush, Jeb Bush, Marvin Bush, Dorothy Bush Koch, George W. Bush, Robin].